Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Long — 6 Patents

ATAlliant Techsystems: 2 patents #149 of 658Top 25%
HAHughes Aircraft: 1 patents #1,260 of 2,963Top 45%
Chino Hills, CA: #63 of 406 inventorsTop 20%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David Long has been granted 6 US patents while listed as an inventor at Alliant Techsystems. The first was granted in 1995 and the most recent in October 2024. David Long ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David Long in Chino Hills, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12130352 Systems and methods to detect motion on sloped surfaces Jordan Hill 2024-10-29
11714181 Systems and methods to detect motion on sloped surfaces Jordan Hill 2023-08-01
11402483 Systems and methods to detect motion on sloped surfaces Jordan Hill 2022-08-02
8678322 Multifunctional chambered radiation shields and systems and related methods 2014-03-25 $22,830,000
8460777 Multifunctional radiation-hardened laminate 2013-06-11 $6,237,000
5420883 Train location and control using spread spectrum radio communications Marvin D. Swensen, Gregory L. Mayhew, John G. Himes, James A. Kivett 1995-05-30