AB

Arthur Brenes

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Castro Valley, CA: #100 of 760 inventorsTop 15%
🗺 California: #55,401 of 386,348 inventorsTop 15%
Overall (All Time): #469,657 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
7445019 Gate valve having service position Yoshi Takayama, John Duncan 2008-11-04
7270311 Pendulum gate valve 2007-09-18
6896239 Method and apparatus for locking a valve 2005-05-24
RE38318 Bellows driver slot valve 2003-11-18
6443426 Slide lock for vacuum valve 2002-09-03
6293306 Throttle gate valve 2001-09-25
5975492 Bellows driver slot valve 1999-11-02
5884899 Half profile gate valve 1999-03-23
5881998 Half profile slot valve 1999-03-16
5791632 Quick release slide lock for vacuum valve 1998-08-11
5597184 Quick release clamp for bonnet and flange of gate valves Fabian M. Van De Graff 1997-01-28