WK

William J. Kaigler

RC Robertshaw Controls: 8 patents #24 of 302Top 8%
RE Respironics: 4 patents #26 of 142Top 20%
Overall (All Time): #428,954 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5647355 Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting John R. Starr, Eric W. Starr, John Raymond Pujol, Patrick Devinney, Andrew Serowski 1997-07-15
5546934 Resuscitator Richard J. Lordo 1996-08-20
5540221 Resuscitator Richard J. Lordo 1996-07-30
5438981 Automatic safety valve and diffuser for nasal and/or oral gas delivery mask John R. Starr, Eric W. Starr, John Raymond Pujol, Pat Devinney, Andrew Serowski 1995-08-08
5336858 Pressure operated switch construction, parts therefor and methods of making the same 1994-08-09
5310970 Pressure operated switch construction and method of making the same Thomas M. Buckshaw, David T. Llewellyn 1994-05-10
5198632 Pressure operated switch construction and method of making the same Thomas M. Buckshaw, David T. Llewellyn 1993-03-30
5192840 Pressure operated switch housing member with external bracket structure for adjustable 1993-03-09
5187338 Fluid pressure operated switch and contact assembly 1993-02-16
5140742 Method of making a pressure operated switch Thomas M. Buckshaw, David T. Llewellyn 1992-08-25
5136129 Pressure operated switch construction and method of making Thomas M. Buckshaw, David T. Llewellyn 1992-08-04
5109144 Fluid pressure operated switch 1992-04-28