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USPTO Patent Rankings Data through Dec 31, 2025
JM

John A. Macek — 4 Patents

AMAmoco: 2 patents #385 of 1,251Top 35%
BABp Corporation North America: 2 patents #180 of 812Top 25%
Naperville, IL: #874 of 3,051 inventorsTop 30%
Illinois: #21,640 of 84,256 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John A. Macek has been granted 4 US patents while listed as an inventor at Amoco. The first was granted in 1994 and the most recent in July 2007. John A. Macek ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John A. Macek in Naperville, IL, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7247742 Recycling polyethylene naphthalate containing materials in a process to produce diesters Rosemary F. McMahon, Gregory P. Hussmann, Michael Panzer, Raymond J. Eifert, David A. Young +2 more 2007-07-24
6495710 Synthesis and use of dimethyl 1,5-naphthalenedicarboxlyates and intermediates therefrom Bruce I. Rosen, Juergen K. Holzhauer, John S. Bramlet, Larry D. Lillwitz, David J. Schneider +5 more 2002-12-17
5414113 Process for recovery of aromatic acid from waste polyester resin Jeffrey L. Broeker 1995-05-09 $96,961,000
5331082 Process for manufacture of high molecular weight polyester resins from 2,6-naphthalene dicarboxylic acid Allen B. Mossman, Lawrence G. Packer 1994-07-19 $42,346,000