Shaffer; Chadwick A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shaffer; Chadwick A..The latest application filed is for "assembly for adding ambient air to the cutting chamber of a walk power mower".
Company Profile
3.36.27
- Shaffer; Chadwick A. - Oakdale MN
Patent Activity
| Patent | Date |
|---|---|
| Assembly For Adding Ambient Air To The Cutting Chamber Of A Walk Power Mower App 20220174870 - Shaffer; Chadwick A. ; et al. | 2022-06-09 |
| Walk Power Mower With Slidable Handle Grip Movable Along A Curved Path For Controlling A Variable Speed Traction Drive App 20210243949 - Shaffer; Chadwick A. ; et al. | 2021-08-12 |
| Walk Power Mower With Transmission Providing Both Forward And Reverse Propulsion App 20210007276 - Shaffer; Chadwick A. ; et al. | 2021-01-14 |
| Walk power mower with transmission providing both forward and reverse propulsion Grant 10,834,871 - Shaffer , et al. November 17, 2 | 2020-11-17 |
| Walk power mower having forward and reverse traction drive Grant 10,306,831 - Porter , et al. | 2019-06-04 |
| Walk Power Mower With Transmission Providing Both Forward And Reverse Propulsion App 20180368316 - Shaffer; Chadwick A. ; et al. | 2018-12-27 |
| Walk Power Mower Having Forward And Reverse Traction Drive App 20180343796 - Porter; Todd A. ; et al. | 2018-12-06 |
| Walk power mower with biased handle Grant 10,123,478 - Shaffer , et al. November 13, 2 | 2018-11-13 |
| Walk power mower with transmission providing both forward and reverse propulsion Grant 10,111,381 - Shaffer , et al. October 30, 2 | 2018-10-30 |
| Walk Power Mower With Transmission Providing Both Forward And Reverse Propulsion App 20170367259 - Shaffer; Chadwick A. ; et al. | 2017-12-28 |
| Walk Power Mower Having Forward And Reverse Traction Drive App 20170367265 - Wadzinski; Chris A. ; et al. | 2017-12-28 |
| Walk Power Mower With Biased Handle App 20170367258 - Shaffer; Chadwick A. ; et al. | 2017-12-28 |
| Electric motor support structure and power equipment unit incorporating same Grant 9,472,992 - Shaffer October 18, 2 | 2016-10-18 |
| Oscillating airstream nozzle for debris blower Grant 9,420,924 - Svoboda , et al. August 23, 2 | 2016-08-23 |
| Housing of a portable blower/vacuum Grant D747,050 - Martin , et al. January 5, 2 | 2016-01-05 |
| Cord wrap system and portable blower incorporating same Grant 9,131,643 - Hoffman , et al. September 15, 2 | 2015-09-15 |
| Oscillating Airstream Nozzle For Debris Blower App 20150233378 - Svoboda; Steven J. ; et al. | 2015-08-20 |
| Nozzle for a debris blower Grant D735,428 - Shaffer , et al. July 28, 2 | 2015-07-28 |
| Electric Motor Support Structure And Power Equipment Unit Incorporating Same App 20150013172 - Shaffer; Chadwick A. | 2015-01-15 |
| Debris vacuum with supplemental debris shearing surface Grant 8,602,334 - Svoboda , et al. December 10, 2 | 2013-12-10 |
| Implement And Operator Control For Use With Same App 20130312566 - Shaffer; Chadwick A. | 2013-11-28 |
| Cord Wrap System And Portable Blower Incorporating Same App 20130239357 - Hoffman; Michael J. ; et al. | 2013-09-19 |
| Handle for a ground-working implement Grant D676,876 - Martin , et al. February 26, 2 | 2013-02-26 |
| Snowthrower power head Grant D675,232 - Martin , et al. January 29, 2 | 2013-01-29 |
| Debris Vacuum With Supplemental Debris Shearing Surface App 20120138717 - Svoboda; Steven J. ; et al. | 2012-06-07 |
| Snowthrower power head Grant D642,596 - Hinklin , et al. August 2, 2 | 2011-08-02 |
| Snowthrower handle Grant D642,595 - Martin , et al. August 2, 2 | 2011-08-02 |
| Air inlet cover and portable blower/vacuum incorporating same Grant 7,735,188 - Shaffer June 15, 2 | 2010-06-15 |
| Air inlet cover and portable blower/vacuum incorporating same App 20080148513 - Shaffer; Chadwick A. | 2008-06-26 |
| Portable blower/vacuum and impeller for use with same App 20080152487 - Shaffer; Chadwick A. ; et al. | 2008-06-26 |
| Vegetation trimmer Grant D566,491 - Martin , et al. April 15, 2 | 2008-04-15 |
| Adjustable handle for portable tool Grant 7,314,096 - Shaffer , et al. January 1, 2 | 2008-01-01 |
| Housing for a convertible blower/vacuum Grant D556,395 - Martin , et al. November 27, 2 | 2007-11-27 |
| Filament trimmer with dual triggers Grant 7,266,893 - Ellson , et al. September 11, 2 | 2007-09-11 |
| Convertible yard tool Grant 7,257,909 - Shaffer , et al. August 21, 2 | 2007-08-21 |
| Hand grip App 20060163894 - Mishek; Daniel G. ; et al. | 2006-07-27 |
| Convertible yard tool Grant D524,824 - Shaffer , et al. July 11, 2 | 2006-07-11 |
| Adjustable handle for portable tool App 20060096135 - Shaffer; Chadwick A. ; et al. | 2006-05-11 |
| Convertible yard tool App 20060096136 - Shaffer; Chadwick A. ; et al. | 2006-05-11 |
| Housing for convertible yard tool Grant D519,127 - Shaffer , et al. April 18, 2 | 2006-04-18 |
| Filament trimmer with dual triggers Grant 6,973,728 - Ellson , et al. December 13, 2 | 2005-12-13 |
| Deck assembly for a self-propelled, walk-behind rotary lawn mower App 20040168424 - Baumann, James R. ; et al. | 2004-09-02 |
| Snap-on and slidable assist handle for filament trimmer App 20040128839 - Shaffer, Chadwick A. ; et al. | 2004-07-08 |
| Filament trimmer head with screw on cap App 20040128838 - Hurst, John O. ; et al. | 2004-07-08 |
| Filament trimmer with adjustable cutoff blade Grant 6,742,263 - Ellson , et al. June 1, 2 | 2004-06-01 |
| Filament trimmer Grant D483,236 - Martin , et al. December 9, 2 | 2003-12-09 |
| Filament trimmer with dual triggers App 20030188435 - Ellson, Bart T. ; et al. | 2003-10-09 |
| Filament trimmer with adjustable cutoff blade App 20030188436 - Ellson, Bart T. ; et al. | 2003-10-09 |
| Deck assembly for a self-propelled, walk-behind rotary lawn mower App 20030182919 - Baumann, James R. ; et al. | 2003-10-02 |
| Portable blower/vacuum having air inlet cover attachable to blower tube Grant 6,442,790 - Svoboda , et al. September 3, 2 | 2002-09-03 |
| Portable Blower/vacuum Having Air Inlet Cover Attachable To Blower Tube App 20020108206 - Svoboda, Steven J. ; et al. | 2002-08-15 |
| Housing for a blower/vacuum Grant D461,604 - Martin , et al. August 13, 2 | 2002-08-13 |
| Portable blower tube noise reduction Grant 6,324,720 - Beckey , et al. December 4, 2 | 2001-12-04 |
| Portable blower with blower tube noise reduction Grant 6,158,082 - Beckey , et al. December 12, 2 | 2000-12-12 |
| Air inlet cover for portable blower/vacuum Grant 6,059,541 - Beckey , et al. May 9, 2 | 2000-05-09 |
| Air concentrator nozzle for portable blower Grant 6,003,199 - Shaffer December 21, 1 | 1999-12-21 |
| Portable blower with noise reduction Grant 5,979,013 - Beckey , et al. November 9, 1 | 1999-11-09 |
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