Robert L. Oltman

Follow

Person

Stoddard, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method of oil charge loss protection for compressors
- Patent number 5,431,025
- Issue date Jul 11, 1995
- American Standard Inc.
- Robert L. Oltman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus and method of oil charge loss protection for compressors
- Patent number 5,347,821
- Issue date Sep 20, 1994
- American Standard Inc.
- Robert L. Oltman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of compressor staging for multi-compressor multi-circuited r...
- Patent number 5,231,846
- Issue date Aug 3, 1993
- American Standard Inc.
- Craig M. Goshaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Condenser fan control system for use with variable capacity compressor
- Patent number 5,138,844
- Issue date Aug 18, 1992
- American Standard Inc.
- Thomas J. Clanin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of compressor staging for a multi-compressor refrigeration s...
- Patent number 5,123,256
- Issue date Jun 23, 1992
- American Standard Inc.
- Robert L. Oltman
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...