Inventor · disambiguated record
Peter C. Spellar
Also filed as: SPELLAR PETER C
4 granted patents·208 citations·filing 1984–1986
82Inventor score
Technology areasF04C
Files withFRICK CO4
Top patents by PatentIndex Score
4 records- 0194US4548549AMicro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor currentFRICK CO·Filed 1985·Granted Oct 22, 1985·75 cites·2 claims
- 0289US4516914AMicro-processor control of moveable slide stop and a moveable slide valve in a helical screw rotary compressorFRICK CO·Filed 1984·Granted May 14, 1985·51 cites·10 claims
- 0386US4519748AMicro-processor control of compression ratio at full load in a helical screw rotary compressor responsive to compressor drive motor currentFRICK CO·Filed 1984·Granted May 28, 1985·43 cites·8 claims
- 0485US4678406AVariable volume ratio screw compressor with step controlFRICK CO·Filed 1986·Granted Jul 7, 1987·39 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →