Assignee
ANDRENE ASSOCIATES
US4 patents
Top patents by PatentIndex Score
US4979528ADec 25, 1990
Gas actuated valve system
ANDRENE ASSOCIATES11 citations68
US4920999AMay 1, 1990
Air actuated valve system with seismic controller
ANDRENE ASSOCIATES10 citations68
US4852600AAug 1, 1989
Air actuated valve system with seismic controller
ANDRENE ASSOCIATES10 citations68
US4745939AMay 24, 1988
Shock actuated shut-off valve with gastight reset system
ANDRENE ASSOCIATES6 citations58