William C. Hamill

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Troy, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Powered air purifying respirator main body
- Patent number D968588
- Issue date Nov 1, 2022
- RPB Safety, LLC
- Garth Ivory
- D24 - Medical and laboratory equipment
Information Patent Grant
Powered air purifying respirator
- Patent number D954252
- Issue date Jun 7, 2022
- RPB Safety, LLC
- Garth Ivory
- D24 - Medical and laboratory equipment
Information Patent Grant
Respirator system with curved vortex tube
- Patent number 10,537,756
- Issue date Jan 21, 2020
- RPB Safety, LLC
- Mathew E. Bancroft
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
SUPPLIED AIR RESPIRATOR
- Publication number 20210228918
- Publication date Jul 29, 2021
- RPB Safety, LLC
- Garth Ivory
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MOUNTING SYSTEM FOR RESPIRATORY DEVICE
- Publication number 20210121719
- Publication date Apr 29, 2021
- RPB Safety, LLC
- Garth Ivory
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
POWERED AIR PURIFYING RESPIRATOR DEVICE
- Publication number 20210113860
- Publication date Apr 22, 2021
- RPB Safety, LLC
- William C. Hamill
- A42 - HEADWEAR
Information Patent Application
RESPIRATOR SYSTEM WITH CURVED VORTEX TUBE
- Publication number 20170151450
- Publication date Jun 1, 2017
- RPB Safety, LLC
- Mathew E. Bancroft
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...