WEIR SPM INC has a total of 32 patent applications. Its first patent ever was published in 2009. It filed its patents most often in United States, China and Canada. Its main competitors in its focus markets engines, pumps and turbines, machines and mechanical elements are VICARS BERTON L, IIC MECH PROD and ZAHROOF VALVES INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 | |
#2 | China | 8 | |
#3 | Canada | 5 | |
#4 | Singapore | 3 | |
#5 | WIPO (World Intellectual Property Organization) | 3 | |
#6 | EPO (European Patent Office) | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Pumps | |
#3 | Venting or aerating devices | |
#4 | Shafts | |
#5 | Earth drilling | |
#6 | Special machines |
# | Name | Total Patents |
---|---|---|
#1 | Matzner Mark D | 19 |
#2 | Hawes John E | 8 |
#3 | Witkowski Brian C | 8 |
#4 | Kotapish Edward C | 7 |
#5 | Kugelev Vladimir | 5 |
#6 | Patel Pankaj H | 3 |
#7 | Said Nuder M | 2 |
#8 | Vladimir Kugelev | 2 |
#9 | Hawes John | 1 |
#10 | Patel Pankaj | 1 |
Publication | Filing date | Title |
---|---|---|
US2011173814A1 | Valve Seat Installation and Retrieval Tool | |
US2011079302A1 | Pump Valve with Full Elastomeric Contact on Seat | |
US2011030213A1 | Hydraulic installation tool for pump plunger | |
US2010325888A1 | Carrier for plunger during disassembly | |
CN102713294A | Readily removable pump crosshead | |
US2010242720A1 | Bimetallic Crosshead | |
US2010260631A1 | Multi-piece connecting rod | |
US2010172778A1 | Connecting rod without wrist pin | |
CN103443458A | Suction port lock nut with stub buttress threads | |
CN102713382A | Hydraulic unloading valve | |
CA2688639A1 | Improved ball injector | |
CA2686204A1 | Floating pinion bearing for a reciprocating pump |