Berfield; Robert C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Berfield; Robert C..The latest application filed is for "rotary flail feeding device and method".
Company Profile
0.102.11
- Berfield; Robert C. - Jersey Shore PA
Patent Activity
| Patent | Date |
|---|---|
| Hose holder Grant 7,513,464 - Berfield April 7, 2 | 2009-04-07 |
| Rotary flail feeding device Grant 7,395,601 - Berfield July 8, 2 | 2008-07-08 |
| Rotary Flail Feeding Device and Method App 20080098606 - Berfield; Robert C. | 2008-05-01 |
| Hose holder Grant 7,191,989 - Berfield March 20, 2 | 2007-03-20 |
| Wall mounted tool holder Grant 7,100,776 - Berfield September 5, 2 | 2006-09-05 |
| Tool holder Grant D525,114 - Berfield July 18, 2 | 2006-07-18 |
| Hose holder App 20050211854 - Berfield, Robert C. | 2005-09-29 |
| Wall mounted tool holder App 20050194332 - Berfield, Robert C. | 2005-09-08 |
| Vacuum cleaner with muffled detachable blower exhaust Grant 6,530,116 - Berfield , et al. March 11, 2 | 2003-03-11 |
| Axle and wheel mounting system for a wet/dry vacuum cleaner Grant 6,494,544 - Berfield , et al. December 17, 2 | 2002-12-17 |
| Convertible Blower Port For Vacuum Cleaner App 20020178533 - Berfield, Robert C. ; et al. | 2002-12-05 |
| Self-evacuating vacuum cleaner Grant 6,481,049 - Berfield November 19, 2 | 2002-11-19 |
| Rotary flail feeding device and method App 20020129498 - Berfield, Robert C. | 2002-09-19 |
| Fitting for vacuum bags Grant 6,451,078 - Berfield , et al. September 17, 2 | 2002-09-17 |
| Nozzle and method providing increased liquid lift height for a wet/dry vacuum cleaner Grant 6,440,227 - Berfield , et al. August 27, 2 | 2002-08-27 |
| Vacuum cleaner filter assembly Grant 6,440,191 - Berfield , et al. August 27, 2 | 2002-08-27 |
| Self-evacuating vacuum cleaner App 20020108204 - Buss, Randy L. ; et al. | 2002-08-15 |
| Vacuum cleaner with muffled detachable blower exhaust App 20020108205 - Berfield, Robert C. ; et al. | 2002-08-15 |
| Vacuum cleaner Grant 6,381,803 - Berfield , et al. May 7, 2 | 2002-05-07 |
| Vacuum cleaner hose clip Grant 6,367,118 - Berfield April 9, 2 | 2002-04-09 |
| Vaneless impeller housing for a vacuum cleaner Grant 6,358,005 - Berfield March 19, 2 | 2002-03-19 |
| Vaneless impeller housing for a vacuum cleaner App 20010041135 - Berfield, Robert C. | 2001-11-15 |
| Pump having sealless shaft App 20010009051 - Berfield, Robert C. | 2001-07-26 |
| Fitting for vacuum bags App 20010005983 - Berfield, Robert C. ; et al. | 2001-07-05 |
| Pump having sealless shaft Grant 6,249,933 - Berfield June 26, 2 | 2001-06-26 |
| Debris Access Door App 20010001337 - STORRS, CHARLES M. ; et al. | 2001-05-24 |
| User-carried vacuum cleaner Grant 6,151,749 - Berfield November 28, 2 | 2000-11-28 |
| Self-evacuating vacuum cleaner Grant 6,119,304 - Berfield , et al. September 19, 2 | 2000-09-19 |
| Outlet priming self-evacuation vacuum cleaner Grant 6,112,366 - Berfield September 5, 2 | 2000-09-05 |
| Vacuum cleaner collection bag Grant 6,079,076 - Berfield June 27, 2 | 2000-06-27 |
| Thermal protection apparatus for electric motors Grant 6,037,685 - Berfield March 14, 2 | 2000-03-14 |
| Self-evacuating vacuum cleaner Grant 5,966,775 - Berfield October 19, 1 | 1999-10-19 |
| Filter retainer for a vacuum cleaner Grant 5,855,634 - Berfield January 5, 1 | 1999-01-05 |
| Self-evacuating vacuum cleaner Grant 5,850,668 - Berfield , et al. December 22, 1 | 1998-12-22 |
| Dolly Grant D395,119 - Berfield June 9, 1 | 1998-06-09 |
| Rotary flail feeding device and method Grant 5,743,019 - Berfield April 28, 1 | 1998-04-28 |
| Vacuum apparatus having a pump for discharging liquid therefrom Grant 5,715,568 - Berfield , et al. February 10, 1 | 1998-02-10 |
| Combined wet and dry vacuum cleaner Grant D389,962 - Berfield , et al. January 27, 1 | 1998-01-27 |
| Bleed for a vacuum cleaner Grant 5,704,090 - Berfield January 6, 1 | 1998-01-06 |
| Cleaning fluid tank assembly Grant 5,600,866 - Berfield February 11, 1 | 1997-02-11 |
| Pilot and detent apparatus for a vacuum device Grant 5,548,868 - Berfield , et al. August 27, 1 | 1996-08-27 |
| Wall-mounted holder for a tank-type vacuum cleaner and attachments Grant 5,513,416 - Bassler , et al. May 7, 1 | 1996-05-07 |
| Handle for vacuum motor housing Grant 5,507,071 - Berfield April 16, 1 | 1996-04-16 |
| Wall mounted holder for a vacuum and/or attachments Grant D364,524 - Bassler , et al. November 28, 1 | 1995-11-28 |
| Combined wet and dry vacuum cleaner Grant D358,010 - Berfield , et al. May 2, 1 | 1995-05-02 |
| Pressure washer bypass valve Grant 5,409,032 - Berfield April 25, 1 | 1995-04-25 |
| Multiple spray pattern nozzle assembly Grant 5,386,940 - Berfield February 7, 1 | 1995-02-07 |
| Chain saw Grant D350,680 - Berfield , et al. September 20, 1 | 1994-09-20 |
| Blower Grant D347,715 - Berfield June 7, 1 | 1994-06-07 |
| Pressure washer Grant D347,261 - Berfield , et al. May 24, 1 | 1994-05-24 |
| Tool caddy for attachment to container, particularly for a vacuum cleaner tank Grant 5,313,686 - Berfield May 24, 1 | 1994-05-24 |
| Combined blower and vacuum Grant D344,615 - Berfield , et al. February 22, 1 | 1994-02-22 |
| Tool caddy for tank type vaccum cleaner Grant D344,616 - Berfield , et al. February 22, 1 | 1994-02-22 |
| Pressure washer with pressure bypass Grant 5,259,556 - Paige , et al. * November 9, 1 | 1993-11-09 |
| Wheeled tank for a pressure washer Grant D341,008 - Berfield , et al. November 2, 1 | 1993-11-02 |
| Large tank for a pressure washer Grant D341,009 - Berfield , et al. November 2, 1 | 1993-11-02 |
| Tank for a pressure washer Grant D340,556 - Berfield , et al. October 19, 1 | 1993-10-19 |
| Pressure washer Grant 5,230,471 - Berfield July 27, 1 | 1993-07-27 |
| Tank for a pressure washer Grant D337,368 - Berfield , et al. July 13, 1 | 1993-07-13 |
| Pressure spray washer Grant D334,972 - Berfield , et al. April 20, 1 | 1993-04-20 |
| Sprayer Grant D334,615 - Berfield , et al. April 6, 1 | 1993-04-06 |
| Dolly frame Grant RE34,130 - Berfield , et al. November 24, 1 | 1992-11-24 |
| Static electric discharge for dust collector Grant 5,150,499 - Berfield September 29, 1 | 1992-09-29 |
| Liquid dispensing and suctioning system for surface cleaning Grant 5,103,526 - Berfield April 14, 1 | 1992-04-14 |
| Housing for vacuum cleaner motor Grant D315,235 - Berfield , et al. March 5, 1 | 1991-03-05 |
| Basket for a sweeper, or the like Grant D314,457 - Berfield , et al. February 5, 1 | 1991-02-05 |
| Drip cleaner attachment with solid cleaning concentrate Grant 4,984,328 - Berfield January 15, 1 | 1991-01-15 |
| Vacuum cleaner nozzle Grant D311,615 - Berfield , et al. October 23, 1 | 1990-10-23 |
| Dolly Grant D310,746 - Berfield , et al. September 18, 1 | 1990-09-18 |
| Cleaning liquid mixer for a water line, particularly for a surface cleaner Grant 4,938,421 - Berfield , et al. July 3, 1 | 1990-07-03 |
| Filter and installation means for dry material filter for electric vacuum cleaner Grant 4,906,265 - Berfield March 6, 1 | 1990-03-06 |
| Portable blower Grant D305,816 - Berfield , et al. January 30, 1 | 1990-01-30 |
| Portable electric blower Grant 4,880,364 - Berfield , et al. * November 14, 1 | 1989-11-14 |
| Portable electric blower Grant 4,836,753 - Berfield , et al. June 6, 1 | 1989-06-06 |
| Dolly frame Grant 4,799,699 - Berfield , et al. January 24, 1 | 1989-01-24 |
| Outlet port baffle for exhaust air Grant 4,799,285 - Berfield January 24, 1 | 1989-01-24 |
| Portable electric blower Grant 4,797,072 - Berfield , et al. January 10, 1 | 1989-01-10 |
| Nozzle with improved coupling for a vacuum device Grant 4,747,179 - Berfield May 31, 1 | 1988-05-31 |
| Vacuum cleaner hose Grant D294,413 - Berfield , et al. * February 23, 1 | 1988-02-23 |
| Vacuum cleaner hose Grant D294,414 - Berfield , et al. * February 23, 1 | 1988-02-23 |
| Debris pan for rotary brush sweeper Grant 4,709,436 - Berfield , et al. December 1, 1 | 1987-12-01 |
| Vehicle with readily mountable steering handle Grant 4,705,282 - Berfield November 10, 1 | 1987-11-10 |
| Sweeper Grant D289,933 - Berfield , et al. May 19, 1 | 1987-05-19 |
| Rotary brush sweeper with mechanism for brush height adjustment Grant 4,658,458 - Berfield , et al. April 21, 1 | 1987-04-21 |
| Housing assembly for motor/fan means of a wet/dry vacuum cleaner Grant 4,655,694 - Berfield April 7, 1 | 1987-04-07 |
| Dolly with tank holding device Grant 4,650,200 - Berfield , et al. March 17, 1 | 1987-03-17 |
| Hand held vacuum cleaner Grant 4,642,841 - Berfield , et al. February 17, 1 | 1987-02-17 |
| Dolly with tank latch Grant 4,640,521 - Berfield February 3, 1 | 1987-02-03 |
| Motor housing for canister type electric vacuum cleaner Grant D287,895 - Berfield , et al. * January 20, 1 | 1987-01-20 |
| Dolly bumper Grant 4,635,951 - Berfield , et al. January 13, 1 | 1987-01-13 |
| Motor housing for canister type electric vacuum cleaner Grant D287,658 - Berfield , et al. * January 6, 1 | 1987-01-06 |
| Motor housing for canister type electric vacuum cleaner Grant D287,171 - Berfield , et al. December 9, 1 | 1986-12-09 |
| Grid element for lid of a cannister type vacuum cleaner Grant 4,623,366 - Berfield , et al. November 18, 1 | 1986-11-18 |
| Bumper for wheel well Grant 4,621,849 - Berfield November 11, 1 | 1986-11-11 |
| Tank for electric vacuum cleaner Grant D286,336 - Berfield , et al. October 21, 1 | 1986-10-21 |
| Means for mounting floor pickup nozzle to dolly for vacuum cleaner Grant 4,616,378 - Berfield , et al. October 14, 1 | 1986-10-14 |
| Collapsible support cage for vacuum cleaner filter Grant 4,609,387 - Berfield , et al. September 2, 1 | 1986-09-02 |
| Compact vacuum cleaner Grant 4,586,214 - Berfield May 6, 1 | 1986-05-06 |
| Vacuum cleaner nozzle having rotating brush Grant 4,577,366 - Miller , et al. March 25, 1 | 1986-03-25 |
| Compact vacuum cleaner Grant 4,547,927 - Berfield October 22, 1 | 1985-10-22 |
| Assembly of tank lid and fan means of a wet/dry vacuum Grant 4,538,971 - Miller , et al. September 3, 1 | 1985-09-03 |
| Electric vacuum cleaner Grant D280,143 - Berfield , et al. August 13, 1 | 1985-08-13 |
| Vibration isolating means Grant 4,512,713 - Berfield April 23, 1 | 1985-04-23 |
| Resilient detented lid latch Grant 4,501,378 - Berfield February 26, 1 | 1985-02-26 |
| Dolly for a tank, barrel, or the like Grant D276,948 - Wacek , et al. December 25, 1 | 1984-12-25 |
| Electric vacuum cleaner Grant D276,279 - Miller , et al. November 6, 1 | 1984-11-06 |
| Shoe attachment for wet/dry electric vacuum cleaner Grant 4,475,265 - Berfield October 9, 1 | 1984-10-09 |
| Electric vacuum cleaner Grant 4,462,137 - Berfield , et al. July 31, 1 | 1984-07-31 |
| Noise reducing means for vacuum cleaner Grant 4,435,877 - Berfield March 13, 1 | 1984-03-13 |
| Shoe attachment for wet/dry electric vacuum cleaner Grant 4,413,372 - Berfield November 8, 1 | 1983-11-08 |
| Compact wet-dry electric vacuum cleaner Grant 4,334,337 - Miller , et al. June 15, 1 | 1982-06-15 |
| Noise reducing blower motor housing means for vacuum cleaner, or the like Grant 4,330,899 - Miller , et al. May 25, 1 | 1982-05-25 |
| Buckle or latch for holding lid to container Grant 4,270,668 - Berfield June 2, 1 | 1981-06-02 |
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