Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David William Keith — 35 Patents

CECarbon Engineering: 12 patents #2 of 22Top 10%
Google: 6 patents #4,427 of 22,993Top 20%
1S1234 10Th Street: 4 patents #2 of 2Top 100%
CUCarbon Engineering Ulc: 3 patents #2 of 22Top 10%
Illinois Tool Works: 2 patents #2,139 of 4,311Top 50%
ASAdvanced Inquiry Systems: 2 patents #3 of 9Top 35%
PLPliant: 1 patents #13 of 26Top 50%
TRTranslarity: 1 patents #5 of 8Top 65%
MIT: 1 patents #4,386 of 9,367Top 50%
KCKcl: 1 patents #9 of 16Top 60%
Santa Clara, CA: #378 of 9,301 inventorsTop 5%
California: #14,008 of 386,348 inventorsTop 4%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
David William Keith has been granted 35 US patents while listed as an inventor at Carbon Engineering. The first was granted in 1989 and the most recent in November 2024. David William Keith ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list David William Keith in Santa Clara, CA, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12151202 Carbon dioxide capture method and facility Maryam Mahmoudkhani, Alessandro Biglioli, Brandon Hart, Kenton Robert Heidel, Michal Foniok 2024-11-26
12138587 Capturing carbon dioxide Kenton Robert Heidel, Geoffrey James Holmes 2024-11-12
12054399 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Nicholas Vollendorf, Eric Fessler 2024-08-06
11667538 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Nicholas Vollendorf, Eric Fessler 2023-06-06
11627133 Selectively restricting communications from third party applications/devices to electronic devices Alex Dubman, Jiakang Lu, Mark McBride, Rushabh Ashok Doshi 2023-04-11 $98,654,000
11504667 Carbon dioxide capture method and facility Maryam Mahmoudkhani, Alessandro Biglioli, Brandon Hart, Kenton Robert Heidel, Michal Foniok 2022-11-22
11014043 Capturing carbon dioxide Kenton Robert Heidel, Geoffrey James Holmes 2021-05-25
11014823 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Nicholas Vollendorf, Eric Fessler 2021-05-25
10571489 Wafer testing system and associated methods of use and manufacture Aaron Durbin, Morgan T. Johnson 2020-02-25
10557338 Reducing the carbon emissions intensity of a fuel James Rhodes 2020-02-11
10519041 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Nicholas Vollendorf, Eric Fessler 2019-12-31
10421039 Capturing carbon dioxide Kenton Robert Heidel, Geoffrey James Holmes 2019-09-24
10397228 Selectively restricting communications from third party applications/devices to electronic devices Alex Dubman, Jiakang Lu, Mark McBride, Rushabh Ashok Doshi 2019-08-27 $35,211,000
10084783 Selectively restricting communications from third party applications/devices to electronic devices Alex Dubman, Jiakang Lu, Mark McBride, Rushabh Ashok Doshi 2018-09-25 $31,914,000
10006275 Reducing the carbon emissions intensity of a fuel James Rhodes 2018-06-26
9975100 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Arvinder Pal Singh Kainth 2018-05-22
9894735 Systems and methods of determining a type and feature set of a light source, and the control thereof 2018-02-13 $25,931,000
9660948 Rule-based rate limiting Alex Dubman, Jiakang Lu, Mark McBride, Rushabh Ashok Doshi 2017-05-23 $19,357,000
9637393 Recovering a caustic solution via calcium carbonate crystal aggregates Kenton Robert Heidel, Jane Anne Ritchie, Nicholas Vollendorf, Eric Fessler 2017-05-02
9612259 Wafer testing system and associated methods of use and manufacture Aaron Durbin, Morgan T. Johnson 2017-04-04
9532434 Systems and methods of determining a type and feature set of a light source, and the control thereof 2016-12-27 $12,692,000
9322296 Distributed compressed air energy storage system and method Ronald J. Hugo, Hossein Safaei Mohamadabadi 2016-04-26
9159105 Reducing the carbon emissions intensity of a fuel James Rhodes 2015-10-13
9095813 Carbon dioxide capture method and facility Maryam Mahmoudkhani, Alessandro Biglioli, Brandon Hart, Kenton Robert Heidel, Mike Foniok 2015-08-04
8871008 Target gas capture Matthew Alex Henderson, Arvinder Pal Singh Kainth, Kenton Robert Heidel, Jane Anne Ritchie 2014-10-28