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

Robert Gregory Cox — 11 Patents

Stryker: 10 patents #168 of 1,405Top 15%
Portage, MI: #87 of 619 inventorsTop 15%
Michigan: #8,574 of 86,293 inventorsTop 10%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Robert Gregory Cox has been granted 11 US patents while listed as an inventor at Stryker. The first was granted in 2013 and the most recent in October 2025. Robert Gregory Cox ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Robert Gregory Cox in Portage, MI, US.

Patents per Year

Patents granted per year, 2013 to 2025Bar chart with a peak of 2 patents in 2022.peak 22013: 1 patents20132014: 1 patents20142015: 1 patents20152016: 1 patents20162018: 1 patents20182019: 1 patents20192020: 1 patents20202022: 2 patents20222025: 2 patents2025

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12440409 Patient support system including expandable patient support and control assembly Ryan Ross, Adam Hoke, Krista Lynn Fox-Walsh 2025-10-14
12357518 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2025-07-15
11484449 Support apparatus for bariatric person James Tumavich, Ryan Ross 2022-11-01 $29,458,000
11318055 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2022-05-03 $71,447,000
10806647 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2020-10-20 $194,614,000
10470954 Patient support apparatus with deck section link Krista Lynn Fox 2019-11-12 $58,822,000
10149791 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2018-12-11 $118,921,000
9456939 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2016-10-04 $54,411,000
8973963 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2015-03-10 $34,541,000
8864205 Patient support with wireless data and/or energy transfer Guy Lemire, Martin W. Stryker, Pascal Castonguay, Clifford Edwin Lambarth, Chad Conway Souke +5 more 2014-10-21 $20,519,000
8439416 Ambulance cot and loading and unloading system Clifford Edwin Lambarth, Chad Conway Souke, Kurosh Nahavandi, Adam Darwin Downey 2013-05-14 $14,311,000