Hamill; William C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamill; William C..The latest application filed is for "supplied air respirator".
- Hamill; William C. - Troy MI
- Hamill; William C. - Christchurch NZ
- Hamill; William C. - Halswell NZ
| Patent | Date |
|---|---|
| Powered air purifying respirator Grant D954,252 - Ivory , et al. June 7, 2 | 2022-06-07 |
| Supplied Air Respirator App 20210228918 - Ivory; Garth ; et al. | 2021-07-29 |
| Mounting System For Respiratory Device App 20210121719 - Ivory; Garth ; et al. | 2021-04-29 |
| Powered Air Purifying Respirator Device App 20210113860 - Hamill; William C. ; et al. | 2021-04-22 |
| Respirator system with curved vortex tube Grant 10,537,756 - Bancroft , et al. Ja | 2020-01-21 |
| Respirator System With Curved Vortex Tube App 20170151450 - Bancroft; Mathew E. ; et al. | 2017-06-01 |
| Curved vortex tube Grant 9,599,372 - Bancroft , et al. March 21, 2 | 2017-03-21 |
| Curved Vortex Tube App 20140123978 - Bancroft; Mathew E. ; et al. | 2014-05-08 |
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