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

Mark Spencer — 21 Patents

TPTenneco Packaging: 9 patents #6 of 126Top 5%
PAPactiv: 4 patents #60 of 221Top 30%
SESentech: 3 patents #1 of 13Top 8%
Coleville, CA: #1 of 3 inventorsTop 35%
California: #27,449 of 386,348 inventorsTop 8%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Mark Spencer has been granted 21 US patents while listed as an inventor at Tenneco Packaging. The first was granted in 1992 and the most recent in April 2025. Mark Spencer ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Mark Spencer in Coleville, CA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12277813 Systems and methods for monitoring a condition of an engine 2025-04-15
11774391 Grease interceptor level analyzer 2023-10-03
11340096 Grease interceptor level analyzer Joseph E. Genovese, William J. Schneller, Robert Troiano 2022-05-24
D549050 Bowl and lid Chadd R. Chatterton, Thom Hayes, Wee Phan, Ronald G. Hellenbrand 2007-08-21
D508819 Cover for a container Raj K. Mangla, J. Scott Dellinger, Mark Erickson, Thomas J. Hayes, Suzanne R. Maslach 2005-08-30
6349847 Vented container with handles and embossment Raj K. Mangla, J. Scott Dellinger, Mark Erickson, Thomas J. Hayes, Suzanne R. Maslach 2002-02-26 $22,199,000
6257401 Vented container with handles and embossment Raj K. Mangla, J. Scott Dellinger, Mark Erickson, Thomas J. Hayes, Suzanne R. Maslach 2001-07-10 $24,636,000
D443205 Bottom for a container Raj K. Mangla, J. Scott Dellinger, Mark Erickson, Thomas J. Hayes, Suzanne R. Maslach 2001-06-05
D427902 Food container Thomas J. Hayes, Mark Erickson, Raj K. Mangla, Michael J. A. Sagan 2000-07-11
D427525 Food container Thomas J. Hayes, Mark Erickson, Raj K. Mangla, Michael J. A. Sagan 2000-07-04
D419375 Wall for container Raj K. Mangla, J. Scott Dellinger, Mark Erickson, Thomas J. Hayes, Suzanne R. Maslach 2000-01-25
5979687 High-strength container with interior button latch Thomas J. Hayes, Mark Erickson, Raj K. Mangla, Michael J. A. Sagan 1999-11-09
D409909 Bottom for a food container Thomas J. Hayes, Raj K. Mangla, Michael J. A. Sagan 1999-05-18
D409910 Cover for a food container Thomas Hayes, Raj K. Mangla, Michael J. A. Sagan 1999-05-18
D388703 Lid for a food container Thomas J. Hayes, Michael J. A. Sagan, James N. Gomoll 1998-01-06
D388699 Food tray Thomas J. Hayes, Michael J. A. Sagan, James N. Gomoll 1998-01-06
D387986 Lid for a food container Thomas J. Hayes, Michael J. A. Sagan, James N. Gomoll 1997-12-23
D386075 Food tray Thomas J. Hayes, Michael J. A. Sagan, James N. Gomoll 1997-11-11
5198764 Position detector apparatus and method utilizing a transient voltage waveform processor 1993-03-30
5148126 Capacitance sensor circuit and method for measuring capacitance and small changes in capacitance 1992-09-15
5136262 Oscillator circuit and method for measuring capacitance and small changes in capacitance 1992-08-04