Holt; Thorstein
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holt; Thorstein.The latest application filed is for "fire protection systems having reduced corrosion".
- Holt; Thorstein - Glencoe MO
- Holt; Thorstein - Chesterfield MO
| Patent | Date |
|---|---|
| Controlled discharge gas vent Grant 10,420,970 - Burkhart , et al. Sept | 2019-09-24 |
| Fire Protection Systems Having Reduced Corrosion App 20190143161 - Burkhart; David J. ; et al. | 2019-05-16 |
| Fire Protection Systems Having Reduced Corrosion App 20180250540 - KOCHELEK; Jeffrey T. ; et al. | 2018-09-06 |
| Controlled Discharge Gas Vent App 20170173375 - Burkhart; David J. ; et al. | 2017-06-22 |
| Controlled discharge gas vent Grant 9,610,466 - Burkhart , et al. April 4, 2 | 2017-04-04 |
| Fire Protection Systems Having Reduced Corrosion App 20160008644 - KOCHELEK; Jeffrey T. ; et al. | 2016-01-14 |
| Fire protection systems having reduced corrosion Grant 9,186,533 - Kochelek , et al. November 17, 2 | 2015-11-17 |
| Fire protection systems having reduced corrosion Grant 9,144,700 - Burkhart , et al. September 29, 2 | 2015-09-29 |
| Fire Protection Systems Having Reduced Corrosion App 20150265866 - KOCHELEK; Jeffrey T. ; et al. | 2015-09-24 |
| Controlled Discharge Gas Vent App 20140202714 - Burkhart; David J. ; et al. | 2014-07-24 |
| Controlled discharge gas vent Grant 8,720,591 - Burkhart , et al. May 13, 2 | 2014-05-13 |
| Packaged Inerting System For Fire Protection Sprinkler System And Method Of Inerting A Fire Protection Sprinkler System App 20130168109 - Kochelek; Jeffrey T. ; et al. | 2013-07-04 |
| High Nitrogen And Other Inert Gas Anti-corrosion Protection In Wet Pipe Fire Protection System App 20110226495 - Burkhart; David J. ; et al. | 2011-09-22 |
| Controlled Discharge Gas Vent App 20110094758 - Burkhart; David J. ; et al. | 2011-04-28 |
| Fire Protection Systems Having Reduced Corrosion App 20100065287 - Burkhart; David J. ; et al. | 2010-03-18 |
| Methods and systems for generation of gases App 20060278078 - Holt; Thorstein ; et al. | 2006-12-14 |
| Nitrogen-based refrigerator crisper Grant 6,560,974 - Kroll , et al. May 13, 2 | 2003-05-13 |
| Nitrogen-based refrigerator crisper App 20020033023 - Kroll, Mark W. ; et al. | 2002-03-21 |
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