Inventor · disambiguated record

Carl J. Howell, Jr.

Also filed as: HOWELL CARL J JR · HOWELL JR CARL J

2 granted patents·52 citations·filing 1978–1979

64Inventor score

Technology areasB29C C08J

Files withCELANESE CORP2

Top patents by PatentIndex Score

2 records

0181US4180536AProcess for extruding plasticized open cell foamed cellulose acetate filtersCELANESE CORP·Filed 1978·Granted Dec 25, 1979·37 cites·11 claims
0253US4282890AOpen cell structure foamed cellulose acetate filtersCELANESE CORP·Filed 1979·Granted Aug 11, 1981·15 cites·17 claims

Join the waitlist — get patent alerts

Get an alert when Carl J. Howell, Jr. files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →