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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 24 | |
#2 | Canada | 9 | |
#3 | Germany | 3 | |
#4 | Brazil | 1 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | Mexico | 1 | |
#7 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Control | |
#3 | Machines | |
#4 | Civil engineering | |
#5 | Packaging and shipping | |
#6 | Thermal processes |
# | 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 |
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 |