DYNEX RIVETT INC has a total of 37 patent applications. Its first patent ever was published in 1976. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are HYDRAULIC EQUIPMENT COMPANY, GORDON CARROLL G and MOOG SERVOCONTROLS INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 5 | |
#3 | Japan | 5 | |
#4 | EPO (European Patent Office) | 4 | |
#5 | United Kingdom | 4 | |
#6 | Germany | 3 | |
#7 | Sweden | 3 | |
#8 | China | 2 | |
#9 | WIPO (World Intellectual Property Organization) | 2 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Engines, pumps and turbines | |
#3 | Machines | |
#4 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Servomotors | |
#2 | Unspecified technologies | |
#3 | Pumps | |
#4 | Rotary pistons | |
#5 | Positive-displacement engines | |
#6 | Pistons and sealings | |
#7 | Cooling of machines | |
#8 | Rotary-pistons | |
#9 | Magnets and transformers |
# | Name | Total Patents |
---|---|---|
#1 | Claas Anthony M | 5 |
#2 | Frank Kenneth F | 4 |
#3 | Anderson Gerald C | 4 |
#4 | Heinrich Allan E | 4 |
#5 | Patel Kishor J | 3 |
#6 | Knutsson D A | 2 |
#7 | Patel K J | 2 |
#8 | Ansonii Emu Kuraasu | 2 |
#9 | Knutson Dale | 2 |
#10 | Knutson Dale A | 1 |
Publication | Filing date | Title |
---|---|---|
CN1162699A | Hold-down mechanism for hydraulic pump | |
US5647266A | Hold-down mechanism for hydraulic pump | |
US5490444A | Piston pump with improved hold-down mechanism | |
US4569273A | Three-way proportional valve | |
CA1145646A | Electrohydraulic proportional valve | |
US4313468A | Servo valve | |
US4290447A | Electrohydraulic proportional valve | |
EP0000445A1 | Servo valve | |
US4186909A | Fail-to-neutral module | |
US4200146A | Method and apparatus for hydraulically driving and controlling a cooling fan | |
US4129986A | Method of and means for preventing thermal shock to a hydraulic motor in an open-loop hydraulic system | |
US4127835A | Electromechanical force motor |