FLETCHER DAVID E has a total of 26 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1990. It filed its patents most often in United States, United Kingdom and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are HAMPTON KEITH, FLETCHER DAVID and BorgWarner Esslingen GmbH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 24 | |
#2 | United Kingdom | 1 | |
#3 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Environmental technology | |
#3 | Mechanical elements | |
#4 | Transport | |
#5 | Machines | |
#6 | Electrical machinery and energy |
# | Name | Total Patents |
---|---|---|
#1 | Fletcher David E | 25 |
#2 | Graichen Brian M | 22 |
#3 | Hampton Keith | 21 |
#4 | Miller James H | 15 |
#5 | Gilmer Matthew C | 9 |
#6 | Niedert Andrew D | 6 |
#7 | Bravo Rex | 4 |
#8 | Vashuk Denis | 2 |
#9 | Gilmer Matt | 2 |
#10 | Niedert Andrew | 1 |
Publication | Filing date | Title |
---|---|---|
US2016356250A1 | Check valves and Venturi devices having the same | |
US2016265557A1 | Vacuum producing device having a suction passageway and a discharge passageway entering through the same wall | |
US9599234B1 | Sprung gate valve | |
US2017037983A1 | Magnetically actuated shut-off valve | |
US9382826B1 | Noise attenuating member for noise attenuating units in engines | |
US2016061164A1 | Vacuum producer including an aspirator and an ejector | |
US2016040688A1 | Pneumatically actuated vacuum pump having multiple venturi gaps and check valves | |
WO03010088A1 | Production of hydrogen and carbon from natural gas or methane using barrier discharge non-thermal plasma | |
GB9000439D0 | Game apparatus |