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

James E. Hamm — 40 Patents

EEEmerson Electric: 32 patents #9 of 1,374Top 1%
RTRidge Tool: 7 patents #14 of 81Top 20%
Grafton, OH: #2 of 77 inventorsTop 3%
Ohio: #1,104 of 73,341 inventorsTop 2%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
James E. Hamm has been granted 40 US patents while listed as an inventor at Emerson Electric. The first was granted in 1981 and the most recent in December 2023. James E. Hamm ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list James E. Hamm in Grafton, OH, US.

Patents per Year

Patents granted per year, 1981 to 2023Bar chart with a peak of 8 patents in 2011.peak 81981: 1 patents19812000: 1 patents2001: 1 patents2003: 2 patents20032004: 2 patents2005: 1 patents2006: 2 patents20062007: 3 patents2008: 1 patents2009: 1 patents20092011: 8 patents2012: 1 patents2013: 1 patents20132014: 2 patents2015: 3 patents2016: 2 patents20162017: 1 patents2018: 3 patents2019: 1 patents20192020: 1 patents2022: 1 patents2023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11845162 Pipe wrenches Glen R. Chartier, Hiten Mansukh Chauhan, Rahul Maruti Nanche, Craig J. Nitchman, Ashok Bhagwat Patil 2023-12-19 $120,976,000
11499593 Tool-less clutch adjustment and removal for drain cleaner Robert Skrjanc, Glen R. Chartier, Scott Kruepke, Harald Krondorfer 2022-11-15 $83,060,000
10668548 Systems and devices for performing powered threading operations Richard M. Kundracik, Paul W. Gress, Glen R. Chartier 2020-06-02 $34,703,000
10239140 Systems and devices for performing powered threading operations Richard M. Kundracik, Paul W. Gress, Glen R. Chartier 2019-03-26 $31,306,000
10105834 Adapters for chain pipe vises Harald Krondorfer, Michael J. Rutkowski, Jeffrey Szucs 2018-10-23
10016830 Support system for tools Harald Krondorfer 2018-07-10
9950372 Transportable beveling tool Brandon Moherman, Michael J. Rutkowski, Harish P. Kulkarni, Jon R. Dunkin, Robert Skrjanc 2018-04-24
9774159 Deflection compensating press tools Richard M. Kundracik, Robert M. Baracskai 2017-09-26
9327387 Integrated foot vise and wrench Vineet Shah, Sachin Shashikant Dakare 2016-05-03 $21,278,000
D748699 Tool face Brandon Moherman, Robert Skrjanc 2016-02-02
9192995 Direct action powered soil pipe cutter Kyle Davison 2015-11-24 $42,222,000
9138818 Systems and devices for performing powered threading operations Richard M. Kundracik, Paul W. Gress, Glen R. Chartier 2015-09-22 $32,915,000
8967606 Pipe vise stand Christopher R. Miller, Robert Skrjanc 2015-03-03 $125,057,000
8777205 Pipe vise stands and components for increasing capacity thereof Christopher R. Miller, Robert Skrjanc 2014-07-15 $39,315,000
8727330 Grounding component for electric welding systems and methods Christopher R. Miller, Robert Skrjanc 2014-05-20 $108,575,000
8601855 Vise apparatus with a bending fixture Prasad Chatursingh Patil, Sachin Shashikant Dakare, Mahesh Janardan Patil, Nilesh Vidyadhar Puntambekar 2013-12-10 $124,399,000
D657933 Handle Lawrence Feskanich, Jr. 2012-04-17
D645322 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645319 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645320 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645321 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645323 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645324 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645325 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20
D645326 Base plate Christopher R. Miller, Robert Skrjanc 2011-09-20