Inventor
David H. Evans
Inventor
Crawley, GB
Overview
Patents· 31 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines8%
H01QAntennas, i.e. radio aerials8%
H04BTransmission8%
H04WWireless communication networks8%
C12NMicroorganisms or enzymes6%
A61KPreparations for medical, dental or toiletry purposes5%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
C07DHeterocyclic compounds5%
C07KPeptides5%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
PatentTitleYear
10,308,706Methods of preventing and removing trisulfide bonds20199,765,305'Mutant vaccinia virus strains, uses thereof and method of producing the same'20179,750,031'Coordinator switching method for medical body area networks'20179,510,282'MAC enhancement to support multi-periodic GTS allocation for personal area network (PAN) systems'20169,370,550'Oncolytic viruses and methods for treating neoplastic disorders'20169,005,926'Methods of preventing and removing trisulfide bonds'20158,679,509'Oncolytic viruses and methods for treating neoplastic disorders'20147,575,860'DNA joining method'20097,477,904'System for locating a mobile unit'20097,167,454'Radio communication system'20076,774,864'Method of operating a wireless communication system'20046,757,267'Antenna diversity system'20046,556,629'Orthogonal signal transmitter'20035,920,813'Microwave video distribution system and adaptable microwave transmitter'19995,754,145'Printed antenna'19985,386,522'Dynamic physical address aliasing during program debugging'19955,294,895'Microwave oscillators and transmitters with frequency stabilization'19945,280,290'Self-oscillating mixer circuits, and FMCW radar'19945,218,980'Ultrasonic dishwasher system'19935,211,703'Stationary blade design for L-OC row'19935,203,673'Tip clearance control apparatus for a turbo-machine blade'19935,192,190'Envelope forged stationary blade for L-2C row'19935,161,942'Moisture drainage of honeycomb seals'19924,999,587'Waveguide oscillator tunable through integrated varactor diode and coupling probe'19914,893,126'Integrated millimeter-wave transceiver'19904,878,810'Turbine blades having alternating resonant frequencies'19894,821,041'Patch antenna'19894,645,491'Surgical needle'19874,302,612'Synthesis of perfluorodialdehydes'19814,113,738'Conversion of N-tosylsulfoximides to sulfoximines'19784,107,176'Mono-N-tosylsulfimides, their preparation and their reaction products'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1981Patents assigned to POLAROID CORP (3)· patent assignee history
1978–1981Based in Cambridge, MA, US· patent location history
1989–1999Patents assigned to PHILIPS CORP (7)· patent assignee history
1989–1993Patents assigned to WESTINGHOUSE ELECTRIC CORP (5)· patent assignee history
1989–2017Based in Crawley, GB· patent location history
1989–1993Based in Lake Mary, FL, US· patent location history
1993–2014Patents assigned to EVANS DAVID H (3)· patent assignee history
2003–2009Patents assigned to KONINKL PHILIPS ELECTRONICS NV (5)· patent assignee history
2014–2016Based in Edmonton, CA· patent location history
2019Based in Melrose, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PHILIPS CORP | 7 | 1989–1999 |
| KONINKL PHILIPS ELECTRONICS NV | 5 | 2003–2009 |
| WESTINGHOUSE ELECTRIC CORP | 5 | 1989–1993 |
| EVANS DAVID Hself | 3 | 1993–2014 |
| POLAROID CORP | 3 | 1978–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Crawley, GB | 14 | 1989–2017 |
| Lake Mary, Florida, US | 5 | 1989–1993 |
| Cambridge, Massachusetts, US | 3 | 1978–1981 |
| Edmonton, CA | 2 | 2014–2016 |
| Melrose, Massachusetts, US | 1 | 2019 |