Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MF

Mark E. Federspiel

HCHellermanntyton Co.: 6 patents #12 of 68Top 20%
TPTecumseh Products: 4 patents #54 of 251Top 25%
TCThe Manitowoc Company: 1 patents #24 of 41Top 60%
THTyton Hellerman: 1 patents #5 of 6Top 85%
West Bend, WI: #33 of 449 inventorsTop 8%
Wisconsin: #3,803 of 40,088 inventorsTop 10%
Overall (All Time): #426,746 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6972367 Multi-channel raceway Edward P. Dyer 2005-12-06
D474750 Raceway fitting Edward P. Dyer 2003-05-20
D473522 Raceway fitting Edward P. Dyer 2003-04-22
D471877 Raceway fitting Edward P. Dyer 2003-03-18
D471878 Raceway fitting Edward P. Dyer 2003-03-18
D470822 Raceway fitting Edward P. Dyer 2003-02-25
5890265 Parallel entry tie Kenneth A. Christian 1999-04-06
RE34224 Method of making a carburetor Thomas G. Guntly, Michael J. Kurth 1993-04-20
5193357 Ice machine with improved evaporator/ice forming assembly Vance L. Kohl 1993-03-16
5049318 Carburetor assembly Thomas G. Guntly, Michael J. Kurth 1991-09-17
4896789 Anti-leak fuel cap liner 1990-01-30
4864705 Method of making a carburetor Thomas G. Guntly, Michael J. Kurth 1989-09-12