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

David A. Hoffman — 25 Patents

IBM: 9 patents #11,946 of 70,183Top 20%
RIRowe International: 3 patents #9 of 41Top 25%
BLBendix Limited: 1 patents #237 of 548Top 45%
OEOfi Testing Equipment: 1 patents #9 of 12Top 75%
Tempe, AZ: #85 of 2,648 inventorsTop 4%
Arizona: #1,250 of 32,909 inventorsTop 4%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
David A. Hoffman has been granted 25 US patents while listed as an inventor at IBM. The first was granted in 1981 and the most recent in April 2025. David A. Hoffman ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list David A. Hoffman in Tempe, AZ, US.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12281296 Electrochemical microbial sensor system and method of using same Scott R. Burge 2025-04-22
11933758 Methods and systems for monitoring microbial activity and communication in an environment Scott R. Burge, Russell G. Burge 2024-03-19
11635406 Microbial sensor system for the assessment of subsurface environments Scott R. Burge, Russell G. Burge 2023-04-25
11231385 Microbial sensor system for monitoring the environment and surfaces Scott R. Burge 2022-01-25
11226306 Microbial sensor system for monitoring and imaging of an environment Scott R. Burge 2022-01-18
10878143 Simulating selective participation of multiple events from a pool of qualified participants Feng Li, Ta-Hsin Li, Nianjun Zhou 2020-12-29 $5,669,000
10656116 Microbial sensor system for the assessment of subsurface environments Scott R. Burge, Russell G. Burge 2020-05-19
10273056 Fuel container system Misty Hoffman 2019-04-30
10265613 Conducting challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2019-04-23 $3,141,000
10265614 Managing challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2019-04-23 $3,141,000
10113990 Microbial sensor system for the assessment of subsurface environments Scott R. Burge, Russell G. Burge 2018-10-30
9792527 Automated slide comparator James L. Chamberlain, James H. Clinton, Blain A. Dillard, Terrence E. White 2017-10-17 $4,096,000
9764223 Conducting challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2017-09-19 $2,669,000
9764224 Managing challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2017-09-19 $2,669,000
9612232 Static gel strength measurement apparatus and method Grafton Montgomery, Guadalupe Hernandez Serafin 2017-04-04
9327197 Conducting challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2016-05-03 $3,695,000
9327198 Managing challenge events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2016-05-03 $3,695,000
9199172 System for software work events Eric H. Bokelberg, Blain A. Dillard, Patrick Howard, Brian T. Paulsen, Jose A. Tano 2015-12-01 $5,130,000
7247278 Automated ground water monitoring and analysis system Scott R. Burge, Russell W. Burge 2007-07-24
6503438 Method and apparatus for balancing flowing conditions of laminar flowing materials John P. Beaumont 2003-01-07
6484870 Dual belt conveyor system John Bohnker 2002-11-26
4677777 Price setting and display system for multiple unit merchandising machine Lee C. Verduin, Ross Ouwinga 1987-07-07 $9,368,000
4466528 Apparatus for preventing circuit burn-out in multi-price merchandisers 1984-08-21 $257,000
4284184 Coin mechanism to merchandising machine interface 1981-08-18 $185,000
4281677 Supply valve for dual circuit systems 1981-08-04 $1,429,000