Hoffman; Karl K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffman; Karl K..The latest application filed is for "pressure relief valve with wetting fluid reservoirs".
- Hoffman; Karl K. - Arlington Heights IL US
| Patent | Date |
|---|---|
| Pressure relief valve with wetting fluid reservoirs Grant 11,352,183 - Hoffman , et al. June 7, 2 | 2022-06-07 |
| Pressure Relief Valve with Wetting Fluid Reservoirs App 20210276780 - Hoffman; Karl K. ; et al. | 2021-09-09 |
| Method for lubricating pressure relief valves Grant 9,821,528 - Hoffman , et al. November 21, 2 | 2017-11-21 |
| Method For Lubricating Pressure Relief Valves App 20170246826 - Hoffman; Karl K. ; et al. | 2017-08-31 |
| Oil-less pressure relief valves Grant 9,187,229 - Hoffman , et al. November 17, 2 | 2015-11-17 |
| Single-Serve Cartridge with Pressure Relief Valve App 20150135967 - Hoffman; Karl K. ; et al. | 2015-05-21 |
| Method For Lubricating Pressure Relief Valves App 20150038309 - Hoffman; Karl K. ; et al. | 2015-02-05 |
| Oil-less Pressure Relief Valves App 20140318653 - Hoffman; Karl K. ; et al. | 2014-10-30 |
| Apparatus and method for tin-tie application Grant 8,820,381 - Hoffman , et al. September 2, 2 | 2014-09-02 |
| Oil-less pressure relief valves Grant 8,783,292 - Hoffman , et al. July 22, 2 | 2014-07-22 |
| Oil-less and wetted pressure relief valves having an integrated filter Grant 8,636,034 - Hoffman , et al. January 28, 2 | 2014-01-28 |
| Apparatus and method for lubricating pressure relief valves Grant 8,522,926 - Hoffman , et al. September 3, 2 | 2013-09-03 |
| Oil-Less and Wetted Pressure Relief Valves Having an Integrated Filter App 20130048125 - Hoffman; Karl K. ; et al. | 2013-02-28 |
| Oil-less pressure relief valves App 20130048635 - Hoffman; Karl K. ; et al. | 2013-02-28 |
| Apparatus And Method For Tin-tie Application App 20120247346 - Hoffman; Karl K. ; et al. | 2012-10-04 |
| Apparatus for the application of pressure relief valves Grant 8,082,644 - Hoffman , et al. December 27, 2 | 2011-12-27 |
| Pressure relief valve with stiff support Grant 7,637,283 - Hoffman December 29, 2 | 2009-12-29 |
| Apparatus for the application of pressure relief valves App 20090271965 - Hoffman; Karl K. ; et al. | 2009-11-05 |
| Reversed pressure relief valve Grant 7,611,557 - Hoffman November 3, 2 | 2009-11-03 |
| Interior-mountable pressure relief valve App 20090169693 - Hoffman; Karl K. | 2009-07-02 |
| Method for the application of pressure relief valves Grant 7,472,524 - Hoffman , et al. January 6, 2 | 2009-01-06 |
| Method for the application of pressure relief vales App 20080172985 - Hoffman; Karl K. ; et al. | 2008-07-24 |
| Apparatus and method for lubricating pressure relief valves App 20080041663 - Hoffman; Karl K. ; et al. | 2008-02-21 |
| Apparatus and method for the application of pressure relief valves Grant 7,328,543 - Hoffman , et al. February 12, 2 | 2008-02-12 |
| Apparatus And Method For The Application Of Pressure Relief Valves App 20070266675 - Hoffman; Karl K. ; et al. | 2007-11-22 |
| Pressure relief valve with stiff support App 20060263497 - Hoffman; Karl K. | 2006-11-23 |
| Reversed pressure relief valve App 20060227462 - Hoffman; Karl K. | 2006-10-12 |
| Diskette spring and diskette Grant 4,620,247 - Papciak , et al. October 28, 1 | 1986-10-28 |
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