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VILTER MANUFACTURING CORP

Overview
  • Total Patents
    164
About

VILTER MANUFACTURING CORP has a total of 164 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets engines, pumps and turbines, thermal processes and machines are SUNDHEIM GREGORY S, BITZER KÜHLMASCHINENBAU GMBH and EMERSON CLIMATE TECHNOLOGIES.

Patent filings per year

Chart showing VILTER MANUFACTURING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kocher Erich J 56
#2 Grant Whitney I 20
#3 Szymaszek Paul G 19
#4 Long Joseph N 8
#5 Kocher E 6
#6 Grant W 5
#7 Langouet Luc 5
#8 Michener William E 4
#9 Kocher Erich John 3
#10 Kocher E J 3

Latest patents

Publication Filing date Title
US5207568A Rotary screw compressor and method for providing thrust bearing force compensation
US5183395A Compressor slide valve control
US5085518A Bearing and seal assembly
US4974422A Evaporative condenser with fogging nozzle
US4945941A Means to reduce vibration in check valves and stop/check valves caused by pulsating low fluid flow
US4923173A Seating seal means for disc-type valve
US4906264A Oil separator for separating and collecting oil entrained in refrigerant
US4887514A Oil separation and gas pressure equalizer means for reciprocating gas compressor
US4865073A Liquid level control for refrigeration system
US4704069A Method for operating dual slide valve rotary gas compressor
US4634093A Mounting means for valve disc
US4610613A Control means for gas compressor having dual slide valves
US4610612A Rotary screw gas compressor having dual slide valves
US4588359A Compressor capacity control apparatus
US4611503A Means for removing bearing from crankshaft
US4571951A Electronic control for expansion valve in refrigeration system
US4567815A Connecting rod and bearing assembly therefor
US4551982A Ice-thickness sensing device in refrigeration system
US4801125A Valve body comprising sheet metal hemispheres and method for making same
US4554799A Multi-stage gas compressor system and desuperheater means therefor