Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WS

William C. Stone

SAStone Aerospace: 21 patents #1 of 10Top 10%
UCUS Dept of Commerce: 2 patents #177 of 1,030Top 20%
OIOpt Industries: 1 patents #4 of 10Top 40%
Tewksbury, MA: #8 of 382 inventorsTop 3%
Massachusetts: #2,065 of 88,656 inventorsTop 3%
Overall (All Time): #83,943 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
9090315 Optical energy transfer and conversion system Bartholomew P. Hogan 2015-07-28
8820135 Auto calibration / validation of oxygen sensor in breathing apparatus Nigel Jones 2014-09-02
8800344 Oxygen control in breathing apparatus Nigel Jones, Kurt Sjoblom 2014-08-12
8770195 Mouth piece for a breathing apparatus Jörgen Sahibzada 2014-07-08
8220408 Underwater vehicle with sonar array Bartholomew P. Hogan 2012-07-17
6600553 Three degree-of-freedom telescoping geometry scanner 2003-07-29
5431010 High speed, amplitude variable thrust control method 1995-07-11
5368018 Breathing apparatus mouthpiece 1994-11-29
5271226 High speed, amplitude variable thrust control 1993-12-21
5127398 Breathing apparatus mouthpiece 1992-07-07
4974585 Breathing apparatus gas-routing manifold 1990-12-04
4964404 Breathing apparatus 1990-10-23
4932045 Waterproof digital lap counter James A. Kasoff 1990-06-05