Nachefski; William S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nachefski; William S..The latest application filed is for "automatic leak prevention shut off valve".
- Nachefski; William S. - Houston TX
- Nachefski; William S. - Katy TX
- Nachefski; William S. - Fresno TX
| Patent | Date |
|---|---|
| Automatic leak prevention shut off valve Grant 10,801,633 - Marshall , et al. October 13, 2 | 2020-10-13 |
| Automatic Leak Prevention Shut Off Valve App 20200173570 - MARSHALL; Brad Donald ; et al. | 2020-06-04 |
| Air conditioner mister, apparatus and method Grant 10,584,910 - Nachefski | 2020-03-10 |
| Air Conditioner Mister, Apparatus and Method App 20190191595 - Nachefski; William S. ; et al. | 2019-06-20 |
| Air conditioner mister, apparatus and method Grant 10,251,316 - Nachefski , et al. | 2019-04-02 |
| Efficient High-velocity Compressed Gas-powered Gun App 20190049211 - Nachefski; William S. | 2019-02-14 |
| Efficient high-velocity compressed gas-powered gun Grant 10,113,829 - Nachefski October 30, 2 | 2018-10-30 |
| Efficient High-velocity Compressed Gas-powered Gun App 20170299323 - Nachefski; William S. | 2017-10-19 |
| Efficient high-velocity compressed gas-powered gun Grant 9,739,564 - Nachefski August 22, 2 | 2017-08-22 |
| Sealable engine fluid measurement probe Grant 9,696,196 - Nachefski July 4, 2 | 2017-07-04 |
| Efficient High-velocity Compressed Gas-powered Gun App 20170045328 - Nachefski; William S. | 2017-02-16 |
| Sealable Engine Fluid Measurement Probe App 20160349093 - Nachefski; William S. | 2016-12-01 |
| Air conditioner mister, apparatus and method Grant 9,198,980 - Nachefski December 1, 2 | 2015-12-01 |
| Air conditioner mister, apparatus and method Grant 9,134,039 - Nachefski September 15, 2 | 2015-09-15 |
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