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

David Leo Hart — 5 Patents

Microsoft: 2 patents #17,644 of 40,388Top 45%
Delphi Technologies: 1 patents #2,130 of 4,124Top 55%
EEEmerson Electric: 1 patents #714 of 1,374Top 55%
GE: 1 patents #19,940 of 36,430Top 55%
Redmond, WA: #2,509 of 8,547 inventorsTop 30%
Washington: #19,692 of 76,902 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Leo Hart has been granted 5 US patents while listed as an inventor at Microsoft. The first was granted in 2002 and the most recent in August 2023. David Leo Hart ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Leo Hart in Redmond, WA, US.

Patents per Year

Patents granted per year, 2002 to 2023Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022003: 1 patents20032004: 1 patents20042005: 1 patents20052023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11720067 Method for handling a simultaneous failure of all channels of a multi-channel engine controller for a gas turbine engine Adam Joseph Reese, Jeffrey S. Gilton 2023-08-08 $35,192,000
6880798 Sensing and control of valve flow rate Ronald W. Meyer 2005-04-19 $82,598,000
6763518 Automatic client/server translation and execution of non-native applications Nanduri R. V. Ramakrishna 2004-07-13 $70,695,000
6556166 Method of measuring elevational mis-alignment of an automotive radar sensor James F. Searcy, Stephen W. Alland 2003-04-29 $4,531,000
6363409 Automatic client/server translation and execution of non-native applications Nanduri R. V. Ramakrishna 2002-03-26 $124,262,000