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SEALED POWER CORP

Overview
  • Total Patents
    528
About

SEALED POWER CORP has a total of 528 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and chemical engineering are MUSKEGON PISTON RING CO INC, WILKENING MFG CO and JOHNSTON HARRY B.

Patent filings in countries

World map showing SEALED POWER CORPs patent filings in countries

Patent filings per year

Chart showing SEALED POWER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Olson Holly M 40
#2 Warrick Frank G 36
#3 Joseph A David 34
#4 Davis Lewis M 19
#5 Anderson David L 17
#6 Anderson David Lee 15
#7 Hendrixon John L 14
#8 Mullally Charles J 14
#9 Saylor Lee H 13
#10 Davis L M 10

Latest patents

Publication Filing date Title
CA2095384A1 Recloseable paperboard container with optional closure means
US4863142A Electromagnetic solenoid valve with variable force motor
US4753263A Electrohydraulic regulating valves
EP0247336A2 Electrohydraulic controlled spool valve
US4674536A Electrohydraulic valves for use in a system
US4595035A Solenoid valve
US4617968A Electrohydraulic control of a spool valve for energizing a heavy duty automatic transmission clutch
EP0145134A2 Linear in-line mixing system
US4570904A Solenoid valve
US4553421A Ring compressor tool
JPS60175884A Solenoid valve
US4556085A Solenoid valve
US4509340A Accumulator-dehydrator assembly for an air conditioning system
US4417383A Method of assembling pipe joint
US4472861A Mounting arrangement for plastic workpieces
US4402827A Transmission fluid filter
US4450081A Transmission fluid filter and method of manufacture
AU6827381A Transmission fluid filter
US4361120A Roller tappet and method of making same
US4256318A Piston ring