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The Louis Berkman Company Patents
Assignee:
The Louis Berkman Company
Address:
Steubenville, OH
No. of patents:
86
Patents:


1 2


Patent Number Title Of Patent Date Issued
D399326 Auxiliary light for a vehicle October 6, 1998
7117617 Snowplow mount October 10, 2006
A snowplow blade mount assembly mountable on a vehicle that includes a frame mount assembly which is affixed to a frame of the vehicle and a support assembly that connects to the frame mount assembly. The support assembly is designed to connect to a lift mount assembly and a blade mo
7114270 Plow mounting apparatus and method October 3, 2006
A plow mounting assembly is provided for removably attaching a plow blade to the front end of a vehicle. The plow mounting assembly includes a frame assembly semi-permanently connected to a front end of an associated vehicle. A blade assembly includes a plow blade and a grasping assembly
7045221 Corrosion-resistant coated copper and method for making the same May 16, 2006
A corrosion-resistant coated base metal coated with a corrosion resistant alloy. The corrosion resistant alloy includes tin and zinc. The corrosion resistant coated base metal includes a heat created intermetallic layer primarily including copper and zinc.
6978952 Sand/salt spreader December 27, 2005
An improved spreader assembly adapted to be mounted on a vehicle having a tailgate and a bumper. The improved spreader assembly includes a hopper and a retaining arrangement. The hopper has an upper section and a bottom section. The bottom section has a base surface adapted to at least
6932287 Spreader August 23, 2005
An improved spreader assembly adapted to be mounted on a vehicle having a tailgate and a bumper. The improved spreader assembly includes a hopper and a retaining arrangement. The hopper has an upper section and a bottom section. The bottom section has a base surface adapted to at least
6861159 Corrosion-resistant coated copper and method for making the same March 1, 2005
A corrosion-resistant coated base metal coated with a corrosion resistant alloy. The corrosion resistant alloy includes tin and zinc. The corrosion resistant coated base metal includes a heat created intermetallic layer primarily including copper and zinc.
6858322 Corrosion-resistant fuel tank February 22, 2005
A corrosion-resistant coated brass metal coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant metal alloy may also include one or more metal additives to improve the coating process and/or to al
6811891 Corrosion-resistant coated metal and method for making the same November 2, 2004
A corrosion-resistant coated brass metal coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant metal alloy may also include one or more metal additives to improve the coating process and/or to al
6794060 Corrosion-resistant coated metal and method for making the same September 21, 2004
A corrosion-resistant coated brass metal coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant metal alloy may also include one or more metal additives to improve the coating process and/or to al
6793154 Spreader shield September 21, 2004
A shield for a vehicle mounted spreader device having a hopper and a rotating spreader element beneath the hopper to broadcast particulate material flowing from the hopper onto the spreader element comprises a top wall having an opening for material flowing from the hopper and a side
6722590 Sand/salt spreader April 20, 2004
An improved spreader assembly adapted to be mounted on a vehicle having a tailgate and a bumper. The improved spreader assembly includes a hopper and a retaining arrangement. The hopper has an upper section and a bottom section. The bottom section has a base surface adapted to at least
6715703 Spreader April 6, 2004
A spreader assembly is adapted to be mounted on a vehicle having a tailgate and a bumper. The spreader includes a hopper having an upper section and a bottom section, the bottom section having a lower material discharge chamber terminating in a lower discharge opening; a broadcast spread
6652990 Corrosion-resistant coated metal and method for making the same November 25, 2003
A corrosion-resistant coated brass metal coated with a corrosion resistant alloy. The corrosion resistant alloy is a tin metal alloy or a tin and zinc metal alloy. The corrosion resistant metal alloy may also include one or more metal additives to improve the coating process and/or to al
6618964 Snowplow mount September 16, 2003
A snowplow blade mount assembly mountable on a vehicle that includes a frame mount assembly which is affixed to a frame of the vehicle and a support assembly that connects to the frame mount assembly. The support assembly is designed to connect to a lift mount assembly and a blade mount
6594923 Snowplow mount July 22, 2003
A snowplow blade mount assembly mountable on a vehicle that includes a blade mount assembly which connects a snowplow blade to a vehicle. The blade mount assembly enables the snowplow blade to pivot in several planes.
6564479 Plastic moldboard plow May 20, 2003
A plow of the type used to clear snow and like debris from roadways and similar surfaces has a plastic moldboard secured to a rigid frame adapted to be mounted to a vehicle. The frame has at least one vertically extending brace member spaced from the moldboard to define a vertically
6398137 Mount and feeder arrangement for a precision placement spreader June 4, 2002
A truck having a material spreader and a control mechanism to regulate the velocity of materials ejected from the material spreader. The material spreader includes a material guider to guide the trajectory of substantially all the materials in a direction substantially opposite the d
6364598 Removable feedgate April 2, 2002
The dump body of a dump truck includes a tailgate having an opening through which material in the receptacle can be dispensed by an endless conveyor in the dump body, and a feedgate for adjusting the rate of discharge is removably mounted on one of the tailgate and the bottom of the dump
6361266 Rotatable feedgate March 26, 2002
A dump truck having a dump body which includes an adjustable feedgate for adjusting the size of a passageway through a rear opening at the rear of the dump body. The feedgate is rotatably mounted within the rear opening to provide for improved control of the flow of materials within the
6354024 Snowplow mount March 12, 2002
A snowplow blade mount assembly mountable on a vehicle that includes a frame mount assembly which is affixed to a frame of the vehicle and a support assembly that connects to the frame mount assembly. The support assembly is designed to connect to a lift mount assembly and a blade mount
6318975 Motor mount assembly November 20, 2001
A motor mount assembly for use with a hydraulic system of a snowplow. A motor mount has a mounting surface for receiving a motor and a recessed surface from which interengaging components protrude. A motor has a suitable mounting surface for mating with the motor mount and a pilot su
6276075 Snowplow blade support apparatus August 21, 2001
An apparatus is provided for mounting a snowplow blade onto a vehicle-mounted supporting frame. The mounting apparatus includes an I-beam support member pivotally attached to the blade and removably mountable on the vehicle-mounted supporting frame. Connections are provided on the su
6273729 Light harness connector August 14, 2001
An auxiliary vehicle light harness which includes headlight connector to connect to a headlight, a power connector to connect to a headlight plug, an auxiliary light connector to connect to an auxiliary light, and a switch to control power to the headlight and/or the auxiliary light. The
6265829 Multiplex light harness July 24, 2001
An auxiliary multiplex vehicle light harness which includes a headlight connector to connect to a headlight, a power connector to connect to a headlight plug, an auxiliary light connector to connect to an auxiliary light, and a microprocessor to control the auxiliary lights. The auxiliar
6257164 Dock joint structure July 10, 2001
A dock bridge to overlie a gap between two connected dock sections. The dock bridge includes two connector plates and a flexible material connected between the two connector plates. Each of the connector plates is made of a corrosion resistant material and the flexible material is ma
6256909 One plug system for a snowplow July 10, 2001
An external electrical connector for connecting one or more components of a snowplow blade unit. The electrical connector includes two housing components that are securable together. Each housing component includes an interface end and a coupling end. The coupling ends of the two housing
6220532 Mount and feeder arrangement for a precision placement spreader April 24, 2001
A truck having a material spreader and a control mechanism to regulate the velocity of materials ejected from the material spreader. The material spreader includes a material guider to guide the trajectory of substantially all the materials in a direction substantially opposite the d
6186731 Removable feedgate February 13, 2001
The dump body of a dump truck includes a tailgate having an opening through which material in the receptacle can be dispensed by an endless conveyor in the dump body, and a feedgate for adjusting the rate of discharge is removably mounted on one of the tailgate and the bottom of the dump
6163985 System for controlling a snowplow and other vehicle accessories December 26, 2000
A system is provided for controlling the positions of a vehicle snow plow hydraulic lift control cylinder for raising the plow upon activation of a first solenoid by a first control signal, and at least one hydraulic pivot cylinder for pivoting said plow with respect to the vehicle upon
6153975 Day light harness adaptor November 28, 2000
An auxiliary vehicle light harness which includes a headlight connector to connect to a headlight, a power connector to connect to a headlight plug, an auxiliary light connector to connect to an auxiliary light, a switch to control power to the headlight and/or the auxiliary light, a day
6138388 Plug system for a snowplow October 31, 2000
An external electrical connector for connecting one or more components of a snowplow blade unit. The electrical connector includes two housing components that are securable together. Each housing component includes an interface end and a coupling end. The coupling ends of the two housing
6134813 Plastic moldboard plow October 24, 2000
A plow of the type used to clear snow and like debris from roadways and similar surfaces has a plastic moldboard secured to a rigid frame adapted to be mounted to a vehicle. The frame has at least one vertically extending brace member spaced from the moldboard to define a vertically
6080497 Corrosion-resistant coated copper metal and method for making the same June 27, 2000
A corrosion-resistant coated copper metal coated with an alloy of tin wherein the tin content constitutes a majority of the alloy. The tin alloy may also include one or more metal additives to improve the coating process and/or to alter the properties of the tin alloy. A metal layer may
6035797 Float drum March 14, 2000
An improved float drum for marine structures which includes a floatation material in the interior of the float drum which conforms to the interior surfaces of the walls of the float drum. The float drum also includes a fluid regulator to prevent a build-up of gasses in the interior of th
6021730 Float drum February 8, 2000
An improved float drum for marine structures which includes a controllable buoyancy device in the interior of the float drum to control the buoyancy of the float drum. The float drum can include a valve to control the type and/or amount of fluid in the interior of the float drum, and/or
6015219 Auxilliary lamp unit January 18, 2000
An auxiliary vehicle light comprises a housing having an opening in the front wall thereof, a lens permanently mounted on the front wall and sealingly closing the opening therein, and a reflector in the housing sealingly mounted about the opening in the front wall and cooperable with
6005300 Light harness December 21, 1999
An auxiliary vehicle light harness which includes headlight connector to connect to a headlight, a power connector to connect to a headlight plug, an auxiliary light connector to connect to an auxiliary light, and a switch to control power to the headlight and/or the auxiliary light. The
5988534 Spreader mount assembly November 23, 1999
An improved spreader assembly adapted to be mounted on a the rear end of a cargo bed of a vehicle. The spreader assembly includes a spreader gate, a gate connector adapted to pivotably move the spreader gate about a substantially vertical axis enabling the gate to be swung away from said
5947391 Precision placement spreader September 7, 1999
A truck having a conveyor arrangement and a material spreader and a control mechanism to regulate the speed said conveyor arrangement conveys materials and to regulate the velocity the materials are ejected from said material spreader. The material spreader includes a material guider to
5890867 Rotatable feedgate April 6, 1999
A dump truck having a dump body which includes a rotatable feedgate for adjusting the size of a passageway through a rear opening at the rear of the dump body. The rotatable feedgate is rotatably mounted within the rear opening to provide for improved control of the flow of materials wit
5842649 Precision placement spreader December 1, 1998
A truck having a conveyor arrangement and a material spreader and a control mechanism to regulate the speed said conveyor arrangement conveys materials and to regulate the velocity the materials are ejected from said material spreader. The material spreader includes a material guider to
5823734 Rotatable feedgate October 20, 1998
A dump truck having a dump body which includes an adjustable feedgate for adjusting the size of a passageway through a rear opening at the rear of the dump body. The feedgate is rotatably mounted within the rear opening to provide for improved control of the flow of materials within the
5803003 Rotary boat lift September 8, 1998
Boat lift apparatus comprises vertically oriented upper and lower box beam track members mounted adjacent a dock for the upper track member to extend above the deck of the dock. The upper track member is rotatable relative to the lower track member, and the two track members support a bo
5695822 Method for coating a metal strip December 9, 1997
A corrosion-resistant metal strip and method for making the same which is essentially lead free and is not highly reflective. The coating on the metal strip is a two-phase metallic coating comprised of tin and zinc and a very low weight percentage of lead. The coating alloy may also incl
5671693 Pontoon boat mooring system September 30, 1997
A pontoon boat mooring system is provided which comprises first and second rigid spacing members pivotably mounted in a spaced-apart relation at the edge of a dock. One or both of the spacing members may also be mounted for lateral movement relative to the dock to allow for use with boat
5669531 Conveyor for particulate material September 23, 1997
A conveyor for particulate matter is provided with a channel extension movable between a use position aligned with the channel and a non-use position displaced relative to the channel. The extension includes an angled edge which cooperates with the auger flighting to shear material as
5667849 Method for coating a metal strip September 16, 1997
A corrosion-resistant metal strip and method for making the same which is essentially lead free and is not highly reflective. The coating on the metal strip is a metallic coating comprised of tin and a very low weight percentage of lead. The coating alloy may also include antimony, bismu
5616424 Corrosion-resistant coated metal strip April 1, 1997
A corrosion-resistant metal strip and method for making the same which is essentially lead free and is not highly reflective. The coating on the metal strip is a metallic coating comprised of tin and a very low weight percentage of lead. The coating alloy may also include antimony, bismu
5597656 Coated metal strip January 28, 1997
A corrosion-resistant metal strip and method for making the same which is essentially lead free and is not highly reflective. The coating on the metal strip is a two-phase metallic coating comprised of tin and zinc and a very low weight percentage of lead. The coating alloy may also incl
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