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USPTO Patent Rankings Data through Dec 31, 2025
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Dwayne A. Porter — 8 Patents

DADanco: 7 patents #7 of 19Top 40%
New Lenox, IL: #27 of 173 inventorsTop 20%
Illinois: #11,515 of 84,256 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Dwayne A. Porter has been granted 8 US patents while listed as an inventor at Danco. The first was granted in 2015 and the most recent in April 2023. Dwayne A. Porter ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Dwayne A. Porter in New Lenox, IL, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11623193 System and method of metastable state mixing Michael J. Schuster, Douglas C. Saunders, Jeffrey W. Siegrist, Thomas R. Bajek 2023-04-11
11213117 Nested brush Michael J. Schuster, Thomas R. Bajek 2022-01-04
11167886 Bucket attachment Michael J. Schuster, Thomas R. Bajek 2021-11-09
10981414 Paint can squeegee apparatus Michael J. Schuster 2021-04-20
9938701 Adaptation of flush valve for dual flush capability Michael J. Schuster, Duston E. A. Stutzman, Douglas C. Saunders 2018-04-10
9909296 Toilet fastener assembly and method of use Michael J. Schuster 2018-03-06
9181687 Adaptation of flush valve for dual flush capability Michael J. Schuster, Duston E. A. Stutzman, Douglas C. Saunders 2015-11-10
8943620 Adaptation of flush valve for dual flush capability Michael J. Schuster, Duston E. A. Stutzman, Douglas C. Saunders 2015-02-03