DB

David William Birch

TL The Boc Group Limited: 7 patents #283 of 612Top 50%
LG Linde Gmbh: 1 patents #466 of 1,045Top 45%
US University Of Surrey: 1 patents #28 of 139Top 25%
Overall (All Time): #575,352 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10466082 Flow meter Paul Nathan, Praveen Rampersad 2019-11-05
9126281 Integrated flow meter Derrick Ernest Hilton, Martin John Avery 2015-09-08
7594639 Cylinder valve 2009-09-29
6382227 Production of constant composition gas mixture streams Andre Micke, Shuen-Cheng Hwang, Lesli B. Cosey, Carl W. Schmidt, Robert F. Phillips +1 more 2002-05-07
6361020 Valve for use with high purity gas Peter Harold Buckley, Kenneth W. Cross, Richard Hogle, Kazuya Inoue, Jack B. Wert 2002-03-26
6047865 Gas capsule and gas delivery system Evelyn Arthur Shervington, David Surman 2000-04-11
5954232 Gas delivery system Evelyn Arthur Shervington 1999-09-21
5845811 Gas capsule Evelyn Arthur Shervington 1998-12-08
5732735 Pressure reduction valve 1998-03-31