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

James A. Markus — 5 Patents

ATAmerican Technology: 3 patents #20 of 34Top 60%
CPCasco Products: 1 patents #18 of 54Top 35%
SMSonics & Materials: 1 patents #12 of 17Top 75%
Seymour, CT: #35 of 141 inventorsTop 25%
Connecticut: #8,579 of 34,797 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
James A. Markus has been granted 5 US patents while listed as an inventor at American Technology. The first was granted in 1989 and the most recent in May 2018. James A. Markus ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list James A. Markus in Seymour, CT, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9981337 Diagnostic system and method for testing integrity of stack during ultrasonic welding William P. Simon, John Massa 2018-05-29
6863205 Anti-side splice welder John Wnek 2005-03-08 $2,333,000
6299052 Anti-slide splice welder John Wnek 2001-10-09 $1,050,000
6070777 Automated, energy efficient ultrasonic welder Michael Patrikios 2000-06-06 $1,433,000
4859987 Apparatus and method for monitoring liquid levels 1989-08-22