RW

Roger James Williamson

Nortel Networks Limited: 9 patents #244 of 5,294Top 5%
IT Itt: 5 patents #47 of 461Top 15%
JL Jemella Limited: 3 patents #12 of 41Top 30%
EL Enigma Diagnostics Limited: 1 patents #3 of 15Top 20%
IT International Telephone And Telegraph: 1 patents #182 of 507Top 40%
SP Stc Plc: 1 patents #73 of 231Top 35%
📍 Harlow, GB: #20 of 388 inventorsTop 6%
Overall (All Time): #216,958 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11872295 Method and apparatus for dyeing hair fibres using radio frequency electromagnetic radiation Timothy David Moore, Mathias Kurt Herrlein, Simon Paul Godfrey, Liam Wright, Matthew Allan James +1 more 2024-01-16
11771192 Method and apparatus for manipulating the shape of hair Timothy David Moore 2023-10-03
10716381 Method and apparatus for manipulating the shape of hair Timothy David Moore 2020-07-21
9138748 Reaction vessel comprising conductive layer and inner non-metallic layer Martin Alan Lee, David James Squirrell, Ross Peter Jones, George Richard Gregory, Graham Scott Gutsell 2015-09-22
6577650 Method of setting-up and controlling synchronization within a modem Christopher Tate, Leslie Derek Humphrey, Igor K Czajkowski 2003-06-10
6522691 Method of and apparatus for determining the capacity of a telecommunications system Christopher Tate, Andrew D Wallace 2003-02-18
6483914 Telephone filter arrangement Leslie Derek Humphrey, Bryan Parlor 2002-11-19
6477249 Communications signal splitter and filter Leslie Derek Humphrey 2002-11-05
6400803 Voice over digital subscriber line call redirection for lifeline service Christopher Tate, Jonathan Beattie, Igor K Czajkowski, Mark Bridger 2002-06-04
6373923 Line testing method and apparatus therefor Michael Grant 2002-04-16
6272209 Lifeline telephony provision for voice over digital subscriber line Mark Bridger, Michael Grant, Christopher Tate, Andrew D Wallace, Jeffrey G. Farrington 2001-08-07
5991269 Wireline modem, communication system and method of setting-up such Igor K Czajkowski 1999-11-23
5304887 Crystal resonator device Rudolf A. H. Heinecke 1994-04-19
4782281 Method of measuring the parameters of a resonator 1988-11-01
4519259 Vortex shedding fluid flowmeter Gillies D. Pitt, David N. Batchelder, Arulanandam M. Prabakaran 1985-05-28
4485679 Fluid flowmeter Gillies D. Pitt, David N. Batchelder, Arulanandam M. Prabakaran 1984-12-04
4416159 Vortex flowmeter David N. Batchelder 1983-11-22
4372165 Apparatus for measuring fluid flow Gillies D. Pitt 1983-02-08
4339661 Fibre optic transducer Gillies D. Pitt 1982-07-13
4241612 Flowmeter 1980-12-30