Inventor
DAVIS RALPH L
US8 patents
⚠️ This page may combine multiple inventors who share the name “DAVIS RALPH L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FILTERTEK INC
6 patentsUS6221065B1Apr 24, 2001
Self-priming needle-free “Y”-adapter
FILTERTEK INC134 citations96
US6044859AApr 4, 2000
Valve apparatus and method
FILTERTEK INC76 citations95
US5360413ANov 1, 1994
Needleless access device
FILTERTEK INC583 citations95
US6228069B1May 8, 2001
Needleless access device
FILTERTEK INC125 citations92
US5741134AApr 21, 1998
Filter and universal adapter for use with dental aspirator tips
FILTERTEK INC48 citations91
US5688121ANov 18, 1997
Corrugated saliva ejector
FILTERTEK INC43 citations91