Inventor · disambiguated record
William C. Hamill
Also filed as: HAMILL WILLIAM C
5 granted patents·3 pending applications·25 citations·filing 2012–2021
75Inventor score
Top patents by PatentIndex Score
8 records- 0179US9599372B2Curved vortex tubeBANCROFT MATHEW E·Filed 2012·Granted Mar 21, 2017·13 cites·8 claims
- 0262US10537756B2Respirator system with curved vortex tubeRPB SAFETY LLC·Filed 2017·Granted Jan 21, 2020·1 cites·19 claims
- 0355US2021121719A1Mounting system for respiratory deviceRPB SAFETY LLC·Filed 2020·Application pending·0 cites
- 0453US2021113860A1Powered air purifying respirator deviceRPB SAFETY LLC·Filed 2020·Application pending·0 cites
- 0552USD968588SPowered air purifying respirator main bodyRPB SAFETY LLC·Filed 2019·Granted Nov 1, 2022·6 cites·1 claims
- 0649USD954252SPowered air purifying respiratorRPB SAFETY LLC·Filed 2019·Granted Jun 7, 2022·5 cites·1 claims
- 0739US2021228918A1Supplied air respiratorRPB SAFETY LLC·Filed 2021·Application pending·0 cites
- 0826USD1099291SPowered air purifying respirator mountRPB SAFETY LLC·Filed 2019·Granted Oct 21, 2025·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when William C. Hamill files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →