P

Inventor

CALHOUN MICHAEL B

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

OTIS ENG CO

3 patents
US4160478AJul 10, 1979

Well tools

OTIS ENG CO105 citations94
US4354554AOct 19, 1982

Well safety valve

OTIS ENG CO63 citations91
US4276937AJul 7, 1981

Well safety system

OTIS ENG CO22 citations81

WARNES LIDIA

1 patent
US8539145B1Sep 17, 2013

Increasing the number of ranks per channel

WARNES LIDIA51 citations90

OSHKOSH TRUCK CORP

1 patent
US6957908B1Oct 25, 2005

Environmental shield for a truck mounted concrete mixer

OSHKOSH TRUCK CORP6 citations51