Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DJ

David M. Jacobson — 4 Patents

MLMarconi Electronic Devices Limited: 2 patents #1 of 21Top 5%
BLBae Systems Electronics Limited: 1 patents #8 of 40Top 20%
GPGeneral Electric Company, P.L.C.: 1 patents #58 of 217Top 30%
Grafton, GB: #254 of 1,495 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David M. Jacobson has been granted 4 US patents while listed as an inventor at Marconi Electronic Devices Limited. The first was granted in 1991 and the most recent in December 2002. David M. Jacobson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David M. Jacobson in Grafton, GB.

Patents per Year

Patents granted per year, 1991 to 2002Bar chart with a peak of 2 patents in 1991.peak 21991: 2 patents19911992: 1 patents19922002: 1 patents2002

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6493231 Electrical apparatus Brian Frederick Nicholson, Surinder Pal Singh Sangha, Giles Humpston, James H. Vincent, William Martin Lovell 2002-12-10
5106009 Methods of joining components Giles Humpston 1992-04-21
5073210 Method of making electrical conductors Giles Humpston 1991-12-17 $17,479,000
5031822 Methods of joining components Giles Humpston, Brian P. Cameron 1991-07-16