MR

Mark A. Roll

DL Dana Limited: 12 patents #22 of 1,099Top 3%
WC Wix Filtration Corp.: 12 patents #1 of 23Top 5%
MU Mann+Hummel Filtration Technology Us: 11 patents #2 of 15Top 15%
MG Mann+Hummel Filtration Technology Group: 6 patents #1 of 10Top 10%
📍 Bessemer City, NC: #1 of 14 inventorsTop 8%
🗺 North Carolina: #750 of 45,564 inventorsTop 2%
Overall (All Time): #72,337 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
12364937 Filter element Willie L. Stamey, Jr. 2025-07-22
11964227 Filter Robert H. Ferguson, Jason LaMarr Tate, Roland Vann Lanier, Jr., Mitchell Jerome Baker 2024-04-23
11927163 Filter element with air-bleed conduit Willie L. Stamey, Jr., Gregory K. Rhyne 2024-03-12
11806652 End cap for a filter element Willie L. Stamey, Jr. 2023-11-07
11759735 Filter element with air-bleed conduit Willie L. Stamey, Jr., Gregory K. Rhyne 2023-09-19
11623168 Filter element Willie L. Stamey, Jr. 2023-04-11
11617973 Filter element Willie L. Stamey, Jr., Robert H. Ferguson 2023-04-04
11517845 Filter Robert H. Ferguson, Jason LaMarr Tate, Roland Vann Lanier, Jr., Mitchell Jerome Baker 2022-12-06
11400396 Filter element with air-bleed conduit Willie L. Stamey, Jr., Gregory K. Rhyne 2022-08-02
11318398 Coalescing filter element Willie L. Stamey, Jr., Gregory K. Rhyne 2022-05-03
11035330 Filter element with air-bleed conduit Willie L. Stamey, Jr., Gregory K. Rhyne 2021-06-15
10898835 Filter element Willie L. Stamey, Jr., Robert H. Ferguson 2021-01-26
10807026 Filter element with air-bleed conduit Willie L. Stamey, Jr., Gregory K. Rhyne 2020-10-20
10625184 Coalescing filter element Willie L. Stamey, Jr., Gregory K. Rhyne 2020-04-21
10293296 Filter Robert H. Ferguson, Jason LaMarr Tate, Roland Vann Lanier, Jr., Mitchell Jerome Baker 2019-05-21
10046254 Endcap bypass plug, endcap assembly and filter assembly Willie L. Stamey, Jr. 2018-08-14
9987574 Endcap bypass plug, endcap assembly and filter assembly Willie L. Stamey, Jr. 2018-06-05
9468870 Fluid filter element Willie L. Stamey, Jr. 2016-10-18
8800782 Filter element Willie L. Stamey, Jr., Robert H. Ferguson 2014-08-12
8603334 Fluid filter element Willie L. Stamey, Jr. 2013-12-10
8127934 Fluid filter element Willie L. Stamey, Jr. 2012-03-06
8092690 Fluid filter element Willie L. Stamey, Jr. 2012-01-10
7771596 Filter Container, assembly and method for manufacturing the same Darrell T. McKenzie 2010-08-10
7682507 Fluid filter element Willie L. Stamey, Jr. 2010-03-23
7543711 Fluid filter element Willie L. Stamey, Jr. 2009-06-09