| Patent Number |
Title Of Patent |
Date Issued |
| RE35473 |
Sludge flow measuring system |
March 11, 1997 |
| A system for the transport of high solids sludge includes a positive displacement pump for pumping sludge through a pipeline. The volume of sludge transported is accurately measured by determining the fill percentage by using a material flow signal, measured time intervals, hydraulic |
| 7398981 |
Auxiliary axle system for concrete pump truck |
July 15, 2008 |
| A concrete pumping truck having a forward end and a rear end with a hopper attached at the rear end of the concrete pumping truck comprises an auxiliary axle system pivotally attached to the rear end of the truck adjacent the hopper, the auxiliary axle system comprising a pair of piv |
| 7175189 |
Booster axle pivot mount |
February 13, 2007 |
| A mounting bracket is attachable to a vehicle frame for pivotally connecting a booster axle assembly comprising a pair of spaced arms, each arm having a first end, a second end, and an axle connected therebetween. The mounting bracket includes a U-shaped portion having a base and a pair |
| 7128094 |
Boom utilizing composite material construction |
October 31, 2006 |
| The present invention is a boom system comprising a first boom section having a distal end and a proximal end. A second boom section includes a distal end and a proximal end, wherein the proximal end of the second boom section is rotatably coupled to the distal end of the first boom |
| 7114690 |
Universal mast support frame and method for mounting masts |
October 3, 2006 |
| A support apparatus used with construction masts. The support apparatus comprises a truss and a top adjustable mount assembly secured to the truss. The top adjustable mount assembly is selectively positionable so as to engage the construction mast. |
| 7055613 |
Self leveling boom system with rotatable working assembly |
June 6, 2006 |
| A fire fighting vehicle having a boom system includes a working assembly attached to an end portion of the boom system. The working assembly comprises a frame pivotally mounted at a midpoint of the frame to the end portion of the boom. The frame carries a mechanical actuator that is |
| 6938716 |
Concrete mixing truck anti-rollover system |
September 6, 2005 |
| An anti-rollover system is used with a concrete mixing truck with a mixing drum, in particular during turning maneuvers, for preventing rollovers by the truck. The anti-rollover system is comprised of one or more sensors on the truck which generate an input signal representative of the t |
| 6808025 |
Fire-fighting system having improved flow |
October 26, 2004 |
| An improved fire-fighting device designed to allow variable positioning of a quenching agent dispensing point. The fire-fighting device also allows high quenching agent flow rates. The device uses an articulable boom arrangement and solid pipeline to achieve these advantages. |
| 6786233 |
Boom utilizing composite material construction |
September 7, 2004 |
| The present invention is a boom system comprising a first boom section having a distal end and a proximal end. A second boom section includes a distal end and a proximal end, wherein the proximal end of the second boom section is rotatably coupled to the distal end of the first boom sect |
| 6755212 |
Boom stiffening system |
June 29, 2004 |
| The present invention is a boom system comprising a plurality of articulated boom sections. Each boom section has a longitudinal axis. A stiffening layer is attached to a surface of at least one of the boom sections, and extends within about ten degrees of parallel to the longitudina |
| 6719118 |
Fold-over chute safety device |
April 13, 2004 |
| The spacing device mounted to a two-section chute system prevents inadvertent contact between the two chute sections. The spacing device includes a mounting flange and a blocking member positionable between first and second pivotally attached chute sections of a concrete mixing truck |
| 6719009 |
Composite material piping system |
April 13, 2004 |
| The present invention is a concrete piping system comprising a pipeline. The pipeline includes an intake end, an output end, a liner resistant to concrete abrasion and a pressure tube of composite materials placed over the liner. A concrete pump is connected to the intake end of the pipe |
| 6698451 |
Conveying pipeline mounted inside a boom |
March 2, 2004 |
| The invention is a placing boom comprising a plurality of boom sections connected together in an articulated arrangement. A pipeline is carried by the boom sections, wherein the pipeline is disposed inside at least one of the boom sections. |
| 6604765 |
Rear under-ride protection device |
August 12, 2003 |
| An improved bumper system includes a pair of brackets connected to the spaced frame members of a motor vehicle. A support arm is pivotally connected at one end to each of the brackets. The opposite end of each support arm is connected to a transverse beam that forms separate first an |
| 6422840 |
Hydraulic displacement pump having two stroke length |
July 23, 2002 |
| A pump having both a short stroke pumping mode and a long stroke pumping mode. The pump has two material cylinders, each with an attached hydraulic cylinder for operating a piston rod extending through both the material and hydraulic cylinders. The piston rods are driven by hydraulic flu |
| 6375432 |
Pipeline air pocket detection system |
April 23, 2002 |
| A method of detecting an air pocket in a concrete pump and minimizing the effect of the nozzle and boom reaction as the air pocket reaches the end of the boom. The hydraulic pressure of the pump is monitored to determine when a pump stroke contains air. Upon detection of air in a pump st |
| 6351696 |
Automatic leveling system for articulated boom |
February 26, 2002 |
| An automatic leveling system for a vehicle supporting an articulable boom system. The automatic leveling system uses a microprocessor to monitor various inputs indicative of the current position of the vehicle and generates electrical drive signals to control the amount of extension of |
| 6267571 |
Hydraulic displacement pump having two stroke length |
July 31, 2001 |
| A pump having both a short stroke pumping mode and a long stroke pumping mode. The pump has two material cylinders, each with an attached hydraulic cylinder for operating a piston rod extending through both the material and hydraulic cylinders. The piston rods are driven by hydraulic flu |
| 6202013 |
Articulated boom monitoring system |
March 13, 2001 |
| A monitoring system is provided for monitoring positioning and stability of an articulated boom system The articulated boom system includes an articulated boom, having one or more boom sections, extending from a base, along with one or more outriggers extending from the base. The monitor |
| 5839883 |
System and method for controlling a materials handling system |
November 24, 1998 |
| A system and method is provided for controlling a materials handling system. The materials handling system preferably includes a feed system, a positive displacement pump and a disposal system. The feed system includes a material feeder, which in the preferred embodiment is a screw feede |
| 5557526 |
Load monitoring system for booms |
September 17, 1996 |
| A system for and method of monitoring the operation of a boom are disclosed. A first parameter is sensed, the first parameter being indicative of a load on a first boom component. It is determined from the sensed first parameter when a load supported by the first boom component excee |
| 5513671 |
Hydraulically controlled water spool valve |
May 7, 1996 |
| A valve, to control the injection of lubricant into a viscous material pump pipeline is disclosed. The valve is operated off a parameter of the viscous material pump such as hydraulic fluid pressure from one or both differential/popper teed lines for the pump. The preferred valve include |
| 5479957 |
Sludge pipeline lubrication system |
January 2, 1996 |
| A system for lubricating a plug flow of high viscosity material in a pipeline is disclosed. The system includes first and second pipes through which the plug flow of high viscosity material is pumped. The first pipe has a flange which is positioned adjacent a flange of the second pipe. A |
| 5401140 |
Closed loop sludge flow control system |
March 28, 1995 |
| A system and method for controlling operation of a sludge material handling system is disclosed. The sludge material handling system includes a positive displacement piston/cylinder pump, a sludge material feed system which delivers sludge material to the pump, and a sludge material disp |
| 5361797 |
Sludge pipeline lubrication system |
November 8, 1994 |
| A system for lubricating a plug flow of high viscosity material in a pipeline is disclosed. The system includes first and second pipes through which the plug flow of high viscosity material is pumped. The first pipe has a flange which is positioned adjacent a flange of the second pipe. A |
| 5359516 |
Load monitoring system for booms |
October 25, 1994 |
| A system for monitoring the operation of a boom is disclosed. The boom has at least one boom section, with each boom section being supported by an actuator assembly such that a load supported by a particular actuator assembly is representative of operation of a corresponding boom section |
| 5354014 |
System for de-icing airplanes |
October 11, 1994 |
| A system for de-icing aircraft in a de-icing area includes a first recessed storage area located substantially below ground level on a first side of the de-icing area. A first spraying boom, having at least one boom section, is used to apply de-icing solution to surfaces of aircraft. A |
| 5346368 |
Sludge flow measuring system |
September 13, 1994 |
| A system for the transport of high solids sludge includes a positive displacement pump for pumping sludge through a pipeline. The volume of sludge transported is accurately measured by determining the fill percentage during pumping cycle. |
| 5336055 |
Closed loop sludge flow control system |
August 9, 1994 |
| A system and method for controlling operation of a sludge material handling system is disclosed. The sludge material handling system includes a positive displacement piston/cylinder pump, a sludge material feed system which delivers sludge material to the pump, and a sludge material disp |
| 5332366 |
Concrete pump monitoring system |
July 26, 1994 |
| A system for monitoring the transport of concrete includes a computer, pump sensors, and a positive displacement pump for pumping concrete through a pipeline. The monitoring system senses and records the number of pump strokes and the pumping pressure during each pump stroke. The actual |
| 5330327 |
Transfer tube material flow management |
July 19, 1994 |
| A system for the transport of high solids materials such as concrete includes a positive displacement pump, a pipeline connected to the pump and a valve in the pipeline located downstream from the pump for preventing material flow through the pipeline when the valve is in a closed po |
| 5257912 |
Sludge flow measuring system |
November 2, 1993 |
| A system for the transport of high solids sludge includes a positive displacement pump for pumping sludge through a pipeline. The volume of sludge transported is accurately measured by determining the fill percentage during pumping cycle. |
| 5106272 |
Sludge flow measuring system |
April 21, 1992 |
| A system for the transport of high solids sludge includes a positive displacement pump for pumping sludge through a pipeline. The volume of sludge transported is accurately measured by determining the fill percentage by using a material flow signal, measured time intervals, hydraulic |
| 5029895 |
Outrigger-mounted axle assembly |
July 9, 1991 |
| A load transfer assembly is used on a vehicle which has one or more outriggers. The load transfer assembly consists of an axle assembly mounted proximate the outer end of at least one of the outriggers. The axle assembly bears at least one ground-engaging wheel and is selectively piv |
