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MARK CONTROLS CORP

Overview
  • Total Patents
    40
About

MARK CONTROLS CORP has a total of 40 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets mechanical elements, control and machines are WATTS EUROTHERM S A, QUEROY ETS and LESLIE CO.

Patent filings per year

Chart showing MARK CONTROLS CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Carlson Donald E 8
#2 Lacquement Harold A 6
#3 Salesky William J 6
#4 Bridges John E 5
#5 Sekiya George W 4
#6 Priesmeyer Charles H 2
#7 Goncze Zoltan 2
#8 Taylor Wesley L 2
#9 Sornito Eduardo H 1
#10 Mcnabb Warren R 1

Latest patents

Publication Filing date Title
US6050285A Pressure balancing valve
US6286533B1 Metering valve assembly
US5201532A Flexible non-planar graphite sealing ring
US4706934A Gate valve
DE3513060A1 Flap valve
US4596264A Flow control valve
US4590576A Control system for flow control valves
DE3402203A1 Non-return valve
BR8202027A High temperature sphere valve
DE3203374A1 Seating ring for valve shafts of throttle valves and the like
US4376448A Let-down valve
US4368756A Check valve
US4262844A Control valve
US4312226A Comparator
US4256258A Temperature monitor and alarm system
US4295602A Control valve
CA1113346A Check valve
US4243173A Pneumatic optimizer
US4323112A No energy band temperature control
US4190159A Encapsulated underground liquid storage tank