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Inventor: Berfield; Robert C.
Address: Jersey Shore, PA
No. of patents: 146
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE34130 |
Dolly frame |
November 24, 1992 |
| A dolly for supporting a tank standing on end is provided with a T-shaped plastic base formed by a crossarm and a leg that are joined by an adjustable interlocking connection. Both ends of the crossarm and the end of the leg remote from the crossarm are provided with arcuate grooves that |
| D525114 |
Tool holder |
July 18, 2006 |
|
| D395119 |
Dolly |
June 9, 1998 |
|
| D389962 |
Combined wet and dry vacuum cleaner |
January 27, 1998 |
|
| D364524 |
Wall mounted holder for a vacuum and/or attachments |
November 28, 1995 |
|
| D358010 |
Combined wet and dry vacuum cleaner |
May 2, 1995 |
|
| D354551 |
Cap for a pressure washer tank |
January 17, 1995 |
|
| D350805 |
Tank for a pressure washer |
September 20, 1994 |
|
| D350680 |
Chain saw |
September 20, 1994 |
|
| D349791 |
Wheeled type suction producing unit for vacuum cleaner |
August 16, 1994 |
|
| D347715 |
Blower |
June 7, 1994 |
|
| D347261 |
Pressure washer |
May 24, 1994 |
|
| D344616 |
Tool caddy for tank type vaccum cleaner |
February 22, 1994 |
|
| D344615 |
Combined blower and vacuum |
February 22, 1994 |
|
| D341009 |
Large tank for a pressure washer |
November 2, 1993 |
|
| D341008 |
Wheeled tank for a pressure washer |
November 2, 1993 |
|
| D340556 |
Tank for a pressure washer |
October 19, 1993 |
|
| D337368 |
Tank for a pressure washer |
July 13, 1993 |
|
| D334972 |
Pressure spray washer |
April 20, 1993 |
|
| D334615 |
Sprayer |
April 6, 1993 |
|
| D328371 |
Combined wheeled liquid dispensing attachment and wand for a carpet cleaner |
July 28, 1992 |
|
| D316317 |
Combined liquid dispensing attachment and wand for a carpet cleaner |
April 16, 1991 |
|
| D315235 |
Housing for vacuum cleaner motor |
March 5, 1991 |
|
| D314457 |
Basket for a sweeper, or the like |
February 5, 1991 |
|
| D311615 |
Vacuum cleaner nozzle |
October 23, 1990 |
|
| D310746 |
Dolly |
September 18, 1990 |
|
| D305816 |
Portable blower |
January 30, 1990 |
|
| D294879 |
Housing for a vacuum cleaner motor |
March 22, 1988 |
|
| D294414 |
Vacuum cleaner hose |
February 23, 1988 |
|
| D294413 |
Vacuum cleaner hose |
February 23, 1988 |
|
| D290055 |
Sweeper |
May 26, 1987 |
|
| D289933 |
Sweeper |
May 19, 1987 |
|
| D288763 |
Tool holder |
March 17, 1987 |
|
| D287895 |
Motor housing for canister type electric vacuum cleaner |
January 20, 1987 |
|
| D287658 |
Motor housing for canister type electric vacuum cleaner |
January 6, 1987 |
|
| D287171 |
Motor housing for canister type electric vacuum cleaner |
December 9, 1986 |
|
| D286336 |
Tank for electric vacuum cleaner |
October 21, 1986 |
|
| D280143 |
Electric vacuum cleaner |
August 13, 1985 |
|
| D276948 |
Dolly for a tank, barrel, or the like |
December 25, 1984 |
|
| D276279 |
Electric vacuum cleaner |
November 6, 1984 |
|
| 7513464 |
Hose holder |
April 7, 2009 |
| A holder for storing ribbed vacuum cleaner hoses and associated vacuum cleaner tubes that includes a pair of support members mounted on a support, each support member having one or more ribs to engage the corrugated surface of the hose. |
| 7395601 |
Rotary flail feeding device |
July 8, 2008 |
| A rotary flail feeding device for trimming vegetation includes a head for storing flail line and a unitary, removable subassembly comprising a winding post and a line guide ring rotatably mounted on the post. The subassembly is removed from the head to facilitate loading flail line i |
| 7191989 |
Hose holder |
March 20, 2007 |
| A holder for storing ribbed vacuum cleaner hoses that includes a pair of support members mounted on a support, each support member having one or more ribs to engage the ribbed surface of the hose. The ribs include a lip that prevents displacement of the hose away from the support. |
| 7100776 |
Wall mounted tool holder |
September 5, 2006 |
| A holder for vacuum cleaner tools includes a flat plastic body mounted on a wall or between exposed studs on a wall with a panel bowed outwardly from the wall. The panel has a plurality of upwardly extending fingers to receive and hold vacuum cleaner tools. |
| 6530116 |
Vacuum cleaner with muffled detachable blower exhaust |
March 11, 2003 |
| A vacuum cleaner includes a housing having a housing passage with a passage inlet, air entering through the passage inlet flowing in a first direction and the housing passage directing air flowing therethrough in a second direction which is more than 90 degrees different from the first |
| 6508618 |
Pump having dynamic shaft seal |
January 21, 2003 |
| A pump has a housing defining a pump chamber and having a shaft opening. An impeller shaft extends through the shaft opening and is sized to define a gap between the impeller shaft and the shaft opening. An impeller is attached to the shaft inside the pump chamber. The impeller includes |
| 6499182 |
Convertible blower port for vacuum cleaner |
December 31, 2002 |
| A convertible blower port for a vacuum cleaner includes a cylindrical port wall carried by a portion of a vacuum cleaner. The port wall has a first end facing inwardly toward the vacuum cleaner and a second end opposite the first end. The port wall defines a blower passage in communicati |
| 6494544 |
Axle and wheel mounting system for a wet/dry vacuum cleaner |
December 17, 2002 |
| A wheel mounting system for a wet/dry vacuum cleaner is disclosed. A system provides a wet/dry vacuum cleaner base having a plurality of mounting surfaces extending therefrom. First and second wheels are mounted to first and second stub shafts which are inserted through at least two of t |
| 6485259 |
Vaneless impeller housing for a vacuum cleaner |
November 26, 2002 |
| A vacuum cleaner includes a driven impeller that moves working air for the vacuum cleaner. A first housing includes a first wall and a second housing includes a second wall opposite the first wall, and an outlet for the working air. The impeller rotates and draws the working air through |
| 6481107 |
Rotary flail feeding device and method |
November 19, 2002 |
| A two flail rotary flail feeding device includes a head having an annular line storage cavity, a central post and an annular line feeding passage extending from the cavity to the end of the post. Two flail lines are wound in the cavity, extend through the passage and are wound in a coil |
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