Hoffman; Fred W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffman; Fred W..The latest application filed is for "effluent processing apparatus and method for a vehicle air brake charging system".
Company Profile
6.33.32
- Hoffman; Fred W. - Wakeman OH
- Hoffman; Fred W - Wakeman OH
- Hoffman; Fred W - Wakerman OH
- Hoffman; Fred W. - Columbia Station OH
Patent Activity
| Patent | Date |
|---|---|
| Effluent processing apparatus for a vehicle air brake charging system Grant 11,420,137 - Hoffman , et al. August 23, 2 | 2022-08-23 |
| Effluent Processing Apparatus and Method for a Vehicle Air Brake Charging System App 20210283543 - Howe; Stephen ; et al. | 2021-09-16 |
| Effluent Processing Apparatus for a Vehicle Air Brake Charging System App 20210146279 - Hoffman; Fred W. ; et al. | 2021-05-20 |
| Effluent processing apparatus for a vehicle air brake charging system Grant 10,933,351 - Hoffman , et al. March 2, 2 | 2021-03-02 |
| Effluent Processing Apparatus and Method for a Vehicle Air Brake Charging System App 20200179856 - Howe; Stephen ; et al. | 2020-06-11 |
| Effluent processing apparatus for a vehicle air brake charging system Grant 10,583,382 - Howe , et al. | 2020-03-10 |
| Effluent processing apparatus and method for a vehicle air brake charging system Grant 10,583,820 - Howe , et al. | 2020-03-10 |
| Effluent Processing Apparatus for a Vehicle Air Brake Charging System App 20190329156 - Hoffman; Fred W. ; et al. | 2019-10-31 |
| Effluent Processing Apparatus And Method For A Vehicle Air Brake Charging System App 20190100190 - Howe; Stephen ; et al. | 2019-04-04 |
| Effluent Processing Apparatus For A Vehicle Air Brake Charging System App 20190099705 - Howe; Stephen ; et al. | 2019-04-04 |
| Heat-exchange dryer apparatus, system and method Grant 10,131,338 - Howell , et al. November 20, 2 | 2018-11-20 |
| Apparatus and method for isolating an intact portion of a service braking circuit from a failed service brake wheel end Grant 10,065,617 - Eberling , et al. September 4, 2 | 2018-09-04 |
| Heat-exchange Dryer Apparatus, System And Method App 20160368469 - Howell; David W. ; et al. | 2016-12-22 |
| Heat-exchange dryer apparatus, system and method Grant 9,457,785 - Howell , et al. October 4, 2 | 2016-10-04 |
| Apparatus And Method For Isolating An Intact Portion Of A Service Braking Circuit From A Failed Service Brake Wheel End App 20160272179 - Eberling; Charles E ; et al. | 2016-09-22 |
| Apparatus and method for isolating an intact portion of a service braking circuit from a failed service brake wheel end Grant 9,381,899 - Eberling , et al. July 5, 2 | 2016-07-05 |
| Dual purpose dryers for high flow Grant 9,180,854 - Eberling , et al. November 10, 2 | 2015-11-10 |
| Braking system with non-spring parking brake actuator Grant 9,156,458 - Plantan , et al. October 13, 2 | 2015-10-13 |
| Dual Purpose Dryers For High Flow App 20150251646 - Eberling; Charles E. ; et al. | 2015-09-10 |
| Purge exhaust processor Grant 9,101,856 - Quinn , et al. August 11, 2 | 2015-08-11 |
| Braking System With Non-spring Parking Brake Actuator App 20150041260 - Plantan; Ronald S. ; et al. | 2015-02-12 |
| Heat-exchange Dryer Apparatus, System And Method App 20140116534 - Howell; David W. ; et al. | 2014-05-01 |
| Apparatus and Method for Isolating an Intact Portion of a Service Braking Circuit from a Failed Service Brake Wheel End App 20140110999 - EBERLING; Charles E. ; et al. | 2014-04-24 |
| Purge Exhaust Processor App 20130319232 - Quinn; Leonard A. ; et al. | 2013-12-05 |
| Air drying arrangement Grant 8,118,911 - Hoffman , et al. February 21, 2 | 2012-02-21 |
| Air Drying Arrangement App 20110252966 - Hoffman; Fred W. ; et al. | 2011-10-20 |
| Air drying arrangement Grant 7,981,194 - Hoffman , et al. July 19, 2 | 2011-07-19 |
| Purge valve Grant 7,819,958 - Hoffman , et al. October 26, 2 | 2010-10-26 |
| Air dryer with oil removal filter Grant 7,789,950 - Hoffman , et al. September 7, 2 | 2010-09-07 |
| Drain valve Grant 7,753,069 - Nichols , et al. July 13, 2 | 2010-07-13 |
| Charging system Grant 7,717,680 - Hoffman May 18, 2 | 2010-05-18 |
| Dry compressed air supply module Grant 7,637,985 - Hoffman , et al. December 29, 2 | 2009-12-29 |
| Air dryer system Grant 7,520,922 - Hoffman , et al. April 21, 2 | 2009-04-21 |
| Air Dryer With Oil Removal Filter App 20080307965 - Hoffman; Fred W. ; et al. | 2008-12-18 |
| Air dryer system Grant D574,940 - Quinn , et al. August 12, 2 | 2008-08-12 |
| Air dryer system Grant D573,240 - Quinn , et al. July 15, 2 | 2008-07-15 |
| Air dryer reservoir Grant D570,979 - Quinn , et al. June 10, 2 | 2008-06-10 |
| Air drying arrangement App 20080110340 - Hoffman; Fred W. ; et al. | 2008-05-15 |
| Cartridge Life Tester App 20080110337 - Hoffman; Fred W. ; et al. | 2008-05-15 |
| Oil separator for vehicle air system Grant 7,285,149 - Fornof , et al. October 23, 2 | 2007-10-23 |
| Dry compressed air supply module App 20070234904 - Hoffman; Fred W. ; et al. | 2007-10-11 |
| Charging system App 20070214963 - Hoffman; Fred W. | 2007-09-20 |
| Drain valve App 20070209705 - Nichols; Randall W. ; et al. | 2007-09-13 |
| Hydraulically powered air charging arrangement App 20070188013 - Hoffman; Fred W. ; et al. | 2007-08-16 |
| Air dryer reservoir Grant D546,431 - Quinn , et al. July 10, 2 | 2007-07-10 |
| Air dryer system App 20070084348 - Hoffman; Fred W. ; et al. | 2007-04-19 |
| Purge valve App 20070028777 - Hoffman; Fred W. ; et al. | 2007-02-08 |
| Air dryer reservoir module components Grant RE39,467 - Quinn , et al. January 16, 2 | 2007-01-16 |
| Air system module including reservoir and mounting structure Grant 7,117,896 - Eberling , et al. October 10, 2 | 2006-10-10 |
| Drain valve App 20060162778 - Nichols; Randall W. ; et al. | 2006-07-27 |
| Air system module including reservoir and mounting structure App 20050168058 - Eberling, Charles E. ; et al. | 2005-08-04 |
| Oil separator for vehicle air system App 20050092180 - Fornof, William P. ; et al. | 2005-05-05 |
| Membrane air dryer and method of mounting a membrane dryer to a vehicle Grant 6,881,245 - Nichols , et al. April 19, 2 | 2005-04-19 |
| Air dryer module Grant 6,858,066 - Quinn , et al. February 22, 2 | 2005-02-22 |
| Membrane air dryer and method of mounting a membrane dryer to a vehicle App 20040074721 - Nichols, Randall W. ; et al. | 2004-04-22 |
| Air Dryer Module App 20040045436 - Quinn, Leonard A. ; et al. | 2004-03-11 |
| Continuous flow dryer reservoir module dryer system Grant 6,695,893 - Hoffman , et al. February 24, 2 | 2004-02-24 |
| Continuous Flow Dryer Reservoir Module Dryer System App 20030183077 - Hoffman, Fred W. ; et al. | 2003-10-02 |
| Air dryer reservoir module components App 20010052291 - Quinn, Leonard A. ; et al. | 2001-12-20 |
| Air dryer reservoir module components Grant 6,074,462 - Quinn , et al. June 13, 2 | 2000-06-13 |
| Air dryer reservoir module Grant 5,917,139 - Goodell , et al. June 29, 1 | 1999-06-29 |
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