WH

William C. Hamill

RS Rpb Safety: 4 patents #2 of 17Top 15%
Overall (All Time): #1,143,863 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D968588 Powered air purifying respirator main body Garth Ivory, Ryan Whitwood, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika +1 more 2022-11-01
D954252 Powered air purifying respirator Garth Ivory, Ryan Whitwood, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika +1 more 2022-06-07
10537756 Respirator system with curved vortex tube Mathew E. Bancroft, Adam S. Lawlor, Elizabeth A. Gordon, Adrian P. Taylor 2020-01-21
9599372 Curved vortex tube Mathew E. Bancroft, Adam S. Lawlor, Elizabeth A. Gordon, Adrian P. Taylor 2017-03-21