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

James L. Dever — 19 Patents

FEFerro: 16 patents #9 of 431Top 3%
ALAlbemarle: 2 patents #165 of 439Top 40%
HPHooker Chemicals & Plastics: 1 patents #31 of 117Top 30%
Brunswick, OH: #14 of 251 inventorsTop 6%
Ohio: #3,621 of 73,341 inventorsTop 5%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
James L. Dever has been granted 19 US patents while listed as an inventor at Ferro. The first was granted in 1980 and the most recent in February 2003. James L. Dever ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list James L. Dever in Brunswick, OH, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6518368 Brominated polystyrene having improved thermal stability and color and process for the preparation thereof James C. Gill 2003-02-11 $2,114,000
RE37902 Brominated polystyrene having improved thermal stability and color and process for the preparation thereof James C. Gill 2002-11-05
6303703 Method for making monoamines James D. Kinder, Larry J. Baldwin, Kevin M. Sonby, Daniel P. Taylor 2001-10-16 $4,874,000
6262310 Halogen-free, deposit-control fuel additives comprising a hydroxypolyalkene amine, and a process for its production Larry J. Baldwin, Cyril J. Yaggi 2001-07-17 $5,111,000
6146555 Brominated copolymer flame retardant additives having improved color characteristics and related method James C. Gill 2000-11-14 $6,175,000
5977233 Brominated syndiotactic polystyrene and the use thereof James C. Gill 1999-11-02 $5,556,000
5882551 Brominated syndiotactic polystyrene and the use thereof James C. Gill 1999-03-16 $6,440,000
5810894 Monoamines and a method of making the same Larry J. Baldwin, James D. Kinder 1998-09-22 $4,606,000
5726252 Brominated polystyrene having improved thermal stability and color and process for the preparation thereof James C. Gill 1998-03-10 $3,434,000
5723549 Process for the preparation of brominated polystyrene having improved color characteristics James C. Gill 1998-03-03 $6,400,000
5637650 Brominated polysytrene having improved thermal stability and color and process for the preparation thereof James C. Gill 1997-06-10 $4,427,000
5616656 Method for making brominated syndiotactic styrenic polymers James C. Gill 1997-04-01 $3,801,000
5576452 Continuous process for the production of a zinc containing chemical product Anthony F. Guerini, Jr. 1996-11-19 $4,169,000
5508356 Process for the production of fuel additives from chlorinated polybutenes Mannat C. Menon, Steven D. Phillips, Larry J. Baldwin 1996-04-16 $4,967,000
5346965 Process for the production of fuel additives from chlorinated polybutenes Mannat C. Menon, Steven D. Phillips, Larry J. Baldwin 1994-09-13 $4,681,000
5112896 High-impact polystyrene containing low molecular weight brominated polystyrene James C. Gill 1992-05-12 $1,828,000
5112897 High impact polystyrene containing low molecular weight brominated polystyrene James C. Gill 1992-05-12 $1,828,000
5112898 High impact polystyrene containing low molecular weight brominated polystyrene James C. Gill 1992-05-12 $1,828,000
4215034 Flame retardant polymeric compositions containing halogenated Diels-Alder adducts with furan Harry W. Marciniak, Richard D. Carlson 1980-07-29