Phillip E. Dunstan

Follow

Person

Seattle, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Infinitely variable differential hydrostatic transmission
- Patent number 5,205,123
- Issue date Apr 27, 1993
- Phillip E. Dunstan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Water preheater system
- Patent number 4,503,839
- Issue date Mar 12, 1985
- Phillip E. Dunstan
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump system using wastewater heat
- Patent number 4,448,347
- Issue date May 15, 1984
- Phillip E. Dunstan
- F28 - HEAT EXCHANGE IN GENERAL