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

David Groll — 6 Patents

General Motors: 2 patents #6,303 of 18,328Top 35%
Murrysville, PA: #159 of 521 inventorsTop 35%
Pennsylvania: #13,718 of 74,527 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David Groll has been granted 6 US patents while listed as an inventor at General Motors. The first was granted in 2014 and the most recent in April 2021. David Groll ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David Groll in Murrysville, PA, US.

Patents per Year

Patents granted per year, 2014 to 2021Bar chart with a peak of 2 patents in 2014.peak 22014: 2 patents20142016: 1 patents20162018: 1 patents20182020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10980963 Cloth respiratory mask Ronnie E. Mahofski, Nadine Scandinaro, Eric S. Nachreiner 2021-04-20
10814085 Airtight mask seal Nadine Scandinaro, Alexander C. De Poix 2020-10-27
9981104 Full face cloth respiratory mask Ronnie E. Mahofski, Nadine Scandinaro, Eric S. Nachreiner 2018-05-29
9308343 Respiratory mask with disposable cloth body Ronnie E. Mahofski, Nadine Scandinaro 2016-04-12
8738180 Robot control during an e-stop event Jianying Shi, Peter W. Tavora 2014-05-27 $8,188,000
8700205 Moving stop station for robotic assembly Robert J. Scheuerman, Rick F. Rourke, Jianying Shi, Peter W. Tavora 2014-04-15 $12,435,000