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Inventor

WILLIS ALLAN F

US11 patents
⚠️ This page may combine multiple inventors who share the name “WILLIS ALLAN F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SPECTRAMED INC

3 patents
US4744656AMay 17, 1988

Disposable calibration boot for optical-type cardiovascular catheter

SPECTRAMED INC165 citations98
US4776340AOct 11, 1988

Hematocrit measurement by differential optical geometry in a short-term diagnostic cardiovascular catheter, and application to correction of blood-oxygen measurement

SPECTRAMED INC71 citations95
US4718423AJan 12, 1988

Multiple-function cardiovascular catheter system with very high lumenal efficiency and no crossovers

SPECTRAMED INC127 citations95

BALLARD MED PROD

3 patents
US6264631B1Jul 24, 2001

Catheter with distally distending balloon

BALLARD MED PROD136 citations97
US5997546ADec 7, 1999

Gastric balloon catheter with improved balloon orientation

BALLARD MED PROD138 citations97
US5997503ADec 7, 1999

Catheter with distally distending balloon

BALLARD MED PROD154 citations97

KIMBERLY CLARK CO

3 patents
US6916307B2Jul 12, 2005

Catheter with distally distending balloon

KIMBERLY CLARK CO43 citations95
US6767340B2Jul 27, 2004

Sealing valve assembly for medical products

KIMBERLY CLARK CO69 citations94
US6908449B2Jun 21, 2005

Sealing valve assembly for medical products

KIMBERLY CLARK CO44 citations90

IMAGYN MEDICAL INC

1 patent
US5505686AApr 9, 1996

Endoscope with protruding member and method of utilizing the same

IMAGYN MEDICAL INC189 citations95

WILLIS ALLAN F

1 patent
US8579870B2Nov 12, 2013

Sealing valve assembly for medical products

WILLIS ALLAN F21 citations87