Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Carl Shields — 9 Patents

CACalamp: 1 patents #32 of 64Top 50%
Louisville, KY: #312 of 3,201 inventorsTop 10%
Kentucky: #1,241 of 11,577 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert Carl Shields has been granted 9 US patents while listed as an inventor at Calamp. The first was granted in 2004 and the most recent in February 2024. Robert Carl Shields ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert Carl Shields in Louisville, KY, US.

Patents per Year

Patents granted per year, 2004 to 2024Bar chart with a peak of 2 patents in 2021.peak 22004: 1 patents20042005: 1 patents20052018: 1 patents20182020: 1 patents20202021: 2 patents20212022: 1 patents20222023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11904442 Securing tool 2024-02-20
11850712 Securing tool 2023-12-26
11291150 Magnetic circuit and method for use 2022-03-29
11206171 Systems and methods for dynamic device programming Dean Zywicki 2021-12-21 $2,396,000
10981263 Securing tool 2021-04-20
10721850 Magnetic circuit and method for use 2020-07-21
9869406 Securing tool 2018-01-16
6848388 Quick release fastener for flags and flag staffs 2005-02-01
6680730 Remote control of apparatus using computer networks Steven K. Stout 2004-01-20