RO

Robert L. Oltman

AS American Standard: 5 patents #73 of 558Top 15%
Overall (All Time): #1,056,769 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5431025 Apparatus and method of oil charge loss protection for compressors Michael D. Carey 1995-07-11
5347821 Apparatus and method of oil charge loss protection for compressors Michael D. Carey 1994-09-20
5231846 Method of compressor staging for multi-compressor multi-circuited refrigeration systems Craig M. Goshaw 1993-08-03
5138844 Condenser fan control system for use with variable capacity compressor Thomas J. Clanin, Dennis R. Dorman, Merle A. Renaud, Paul C. Rentmeester 1992-08-18
5123256 Method of compressor staging for a multi-compressor refrigeration system 1992-06-23