Crevling, Jr.; Robert L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crevling, Jr.; Robert L..The latest application filed is for "filter shaker".
Company Profile
0.80.8
- Crevling, Jr.; Robert L. - Williamsport PA
- Crevling, Jr.; Robert L. - Cogan Station PA
Patent Activity
| Patent | Date |
|---|---|
| Vacuum device with positive pressure tank Grant 9,826,688 - Crevling, Jr. , et al. November 28, 2 | 2017-11-28 |
| Removable internal air diffuser Grant 9,107,549 - Crevling, Jr. , et al. August 18, 2 | 2015-08-18 |
| Filter shaker Grant 9,038,236 - Fry , et al. May 26, 2 | 2015-05-26 |
| Vacuum cleaner Grant D728,875 - Fry , et al. May 5, 2 | 2015-05-05 |
| Vacuum cleaner Grant D717,507 - Fry , et al. November 11, 2 | 2014-11-11 |
| Double-walled vacuum cleaner Grant 8,732,898 - Fry , et al. May 27, 2 | 2014-05-27 |
| Filter Shaker App 20130283563 - Fry; Kevin D. ; et al. | 2013-10-31 |
| Vacuum cleaner Grant D688,842 - Liu , et al. August 27, 2 | 2013-08-27 |
| Vacuum cleaner Grant D683,507 - Liu , et al. May 28, 2 | 2013-05-28 |
| Vacuum cleaner Grant D683,091 - Griffin , et al. May 21, 2 | 2013-05-21 |
| Vacuum cleaner Grant D683,090 - Griffin , et al. May 21, 2 | 2013-05-21 |
| Mop bucket Grant 8,381,351 - Miller , et al. February 26, 2 | 2013-02-26 |
| Vacuum cleaner Grant D676,207 - Gottschall , et al. February 12, 2 | 2013-02-12 |
| Portable Combined Toolbox and Vacuum Cleaner App 20130007979 - Wolfe; Melvin E. ; et al. | 2013-01-10 |
| Double-Walled Vacuum Cleaner App 20120266407 - Fry; Kevin D. ; et al. | 2012-10-25 |
| Motor assembly with switch module Grant 8,179,004 - Crevling, Jr. May 15, 2 | 2012-05-15 |
| Vacuum cleaner Grant D646,860 - Liu , et al. October 11, 2 | 2011-10-11 |
| Vacuum cleaner Grant D646,033 - Crevling, Jr. , et al. September 27, 2 | 2011-09-27 |
| Vacuum cleaner Grant D644,800 - Seasholtz , et al. September 6, 2 | 2011-09-06 |
| Vacuum cleaner Grant D640,849 - Gottschall , et al. June 28, 2 | 2011-06-28 |
| Motor Assembly With Switch Module App 20110109177 - Crevling, JR.; Robert L. | 2011-05-12 |
| Vacuum Device With Positive Pressure Tank App 20110107549 - Crevling, JR.; Robert L. ; et al. | 2011-05-12 |
| Vacuum cleaner Grant D636,954 - Liu , et al. April 26, 2 | 2011-04-26 |
| Vacuum cleaner Grant D632,444 - Griffin , et al. February 8, 2 | 2011-02-08 |
| Vacuum cleaner Grant D624,258 - Crevling, Jr. , et al. September 21, 2 | 2010-09-21 |
| Vacuum cleaner accessory holder Grant D623,367 - Gottschall , et al. September 7, 2 | 2010-09-07 |
| Mop Bucket App 20100170056 - Miller; Jonathan ; et al. | 2010-07-08 |
| Mop bucket Grant D619,318 - Miller , et al. July 6, 2 | 2010-07-06 |
| Pneumatic cleaner Grant 7,721,384 - Crevling, Jr. , et al. May 25, 2 | 2010-05-25 |
| Removable Internal Air Diffuser App 20100071151 - Crevling, JR.; Robert L. ; et al. | 2010-03-25 |
| Liquid-dispensing attachment for vacuum cleaners Grant 7,669,279 - Crevling, Jr. , et al. March 2, 2 | 2010-03-02 |
| Mop bucket Grant D611,215 - Miller , et al. March 2, 2 | 2010-03-02 |
| Vacuum cleaner nozzle Grant D606,716 - Crevling, Jr. , et al. December 22, 2 | 2009-12-22 |
| Removable internal air diffuser Grant 7,627,928 - Crevling, Jr. , et al. December 8, 2 | 2009-12-08 |
| Vacuum cleaner Grant D602,661 - Griffin , et al. October 20, 2 | 2009-10-20 |
| Yard vacuum Grant D599,064 - Crevling, Jr. , et al. August 25, 2 | 2009-08-25 |
| Sander/polisher attachment for vacuum cleaners Grant D596,362 - Crevling, Jr. , et al. July 14, 2 | 2009-07-14 |
| Air mover Grant D596,283 - Martinez , et al. July 14, 2 | 2009-07-14 |
| Vacuum cleaner Grant D591,467 - Griffin , et al. April 28, 2 | 2009-04-28 |
| Vacuum cleaner Grant D587,414 - Griffin , et al. February 24, 2 | 2009-02-24 |
| Vacuum cleaner Grant D573,319 - Crevling, Jr. , et al. July 15, 2 | 2008-07-15 |
| Combined shredder and vacuum cleaner Grant D573,320 - Crevling, Jr. , et al. July 15, 2 | 2008-07-15 |
| Cleaning device with pivoting tank Grant 7,389,563 - Martinez , et al. June 24, 2 | 2008-06-24 |
| Vacuum cleaner Grant D571,513 - Griffin , et al. June 17, 2 | 2008-06-17 |
| Vacuum cleaner Grant D568,565 - Griffin , et al. May 6, 2 | 2008-05-06 |
| Vacuum cleaner Grant D568,564 - Griffin , et al. May 6, 2 | 2008-05-06 |
| Vacuum cleaner Grant D568,562 - Griffin , et al. May 6, 2 | 2008-05-06 |
| Vacuum cleaner Grant D568,013 - Crevling, Jr. , et al. April 29, 2 | 2008-04-29 |
| Vacuum cleaner Grant D568,010 - Crevling, Jr. , et al. April 29, 2 | 2008-04-29 |
| Polisher attachment Grant D566,351 - Crevling, Jr. , et al. April 8, 2 | 2008-04-08 |
| Canister vacuum Grant D565,266 - Crevling, Jr. , et al. March 25, 2 | 2008-03-25 |
| Canister vacuum Grant D564,158 - Crevling, Jr. , et al. March 11, 2 | 2008-03-11 |
| Canister vacuum Grant D563,614 - Crevling, Jr. , et al. March 4, 2 | 2008-03-04 |
| Electrostatic cloth attachment for vacuum head Grant 7,337,494 - Baer , et al. March 4, 2 | 2008-03-04 |
| Vacuum nozzle head with integral squeegee Grant 7,308,729 - Seasholtz , et al. December 18, 2 | 2007-12-18 |
| Liquid-dispensing attachment for vacuum cleaners Grant D541,996 - Crevling, Jr. , et al. May 1, 2 | 2007-05-01 |
| Upright vacuum Grant D539,493 - Crevling, Jr. , et al. March 27, 2 | 2007-03-27 |
| Handheld vacuum Grant D537,578 - Crevling, Jr. , et al. February 27, 2 | 2007-02-27 |
| Backpack cleaner Grant D537,583 - Crevling, Jr. , et al. February 27, 2 | 2007-02-27 |
| Vacuum cleaner Grant D528,255 - Griffin , et al. September 12, 2 | 2006-09-12 |
| Vacuum cleaner Grant D527,504 - Griffin , et al. August 29, 2 | 2006-08-29 |
| Vacuum cleaner Grant D527,503 - Griffin , et al. August 29, 2 | 2006-08-29 |
| Combination wet/dry vacuum cleaner head Grant D507,386 - Griffin , et al. July 12, 2 | 2005-07-12 |
| Combination wet/dry vacuum cleaner Grant D506,042 - Griffin , et al. June 7, 2 | 2005-06-07 |
| Float rod seal for vacuum cleaner Grant 6,637,068 - Crevling, Jr. , et al. October 28, 2 | 2003-10-28 |
| Intelligent switch control circuit Grant 6,222,285 - Haley , et al. April 24, 2 | 2001-04-24 |
| Mechanical shut-off and bypass assembly Grant 6,069,330 - Crevling, Jr. , et al. May 30, 2 | 2000-05-30 |
| Self-evacuating vacuum cleaner Grant 5,918,344 - Crevling, Jr. , et al. July 6, 1 | 1999-07-06 |
| Current regulating switch circuit Grant 5,747,973 - Robitaille , et al. May 5, 1 | 1998-05-05 |
| Dolly with tank holding device Grant 4,650,200 - Berfield , et al. March 17, 1 | 1987-03-17 |
| 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 |
| Tank for electric vacuum cleaner Grant D286,336 - Berfield , et al. October 21, 1 | 1986-10-21 |
| Vacuum cleaner nozzle having rotating brush Grant 4,577,366 - Miller , et al. March 25, 1 | 1986-03-25 |
| 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 |
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