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

John Welsh — 4 Patents

KEKerr: 2 patents #28 of 88Top 35%
CLCobra Therapeutics Limited: 1 patents #5 of 24Top 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Welsh has been granted 4 US patents while listed as an inventor at Kerr. The first was granted in 2002 and the most recent in February 2007. John Welsh ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Welsh in Shrewsbury, MI, GB.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7175935 Lithium manganese dioxide cell 2007-02-13
6479464 Compositions and methods for highly efficient transfection Adrian Mark Haines, Ross Owen Phillips, David R. Thatcher, Alistair Simpson Irvine, Roger Kingdon Craig 2002-11-12
6439380 Capsule for use in preparing a dental amalgam 2002-08-27
6360886 Capsule for use in preparing a dental amalgam 2002-03-26