Inventor
WOOLLATT DEREK
US8 patents
⚠️ This page may combine multiple inventors who share the name “WOOLLATT DEREK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DRESSER RAND CO
5 patentsUS5647730AJul 15, 1997
Self-contained, clearance-volume adjustment means for a gas compressor
DRESSER RAND CO7 citations71
US5190262AMar 2, 1993
Hydraulically-operated valve assembly
DRESSER RAND CO9 citations71
US6655935B2Dec 2, 2003
Gas compressor comprising a double acting piston, an elongate chamber, multiple inlets mounted within heads on both sides of the chamber, and one central outlet
DRESSER RAND CO11 citations63
US5564906AOct 15, 1996
Means for moving a valve within a gas compressor having a straight cylinder
DRESSER RAND CO4 citations61
US5378116AJan 3, 1995
Over-pressure relief means
DRESSER RAND CO5 citations61