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

David Hildebrant — 4 Patents

ATAT&T: 2 patents #7,295 of 18,772Top 40%
SSS. Aqua Semiconductor: 1 patents #3 of 7Top 45%
Redmond, WA: #2,920 of 8,547 inventorsTop 35%
Washington: #23,275 of 76,902 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Hildebrant has been granted 4 US patents while listed as an inventor at AT&T. The first was granted in 2002 and the most recent in May 2024. David Hildebrant ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Hildebrant in Redmond, WA, US.

Patents per Year

Patents granted per year, 2002 to 2024Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022004: 1 patents20042018: 1 patents20182024: 1 patents2024

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11997578 Method and apparatus for indoor mapping and location services Mingwun Li, Shih-Ming Wang 2024-05-28 $71,011,000
RE46991 Electronic location system 2018-08-14
6738712 Electronic location system 2004-05-18
6363324 Vehicle location system 2002-03-26