JD

John Duerr

SP Spectronics: 15 patents #2 of 19Top 15%
Overall (All Time): #313,019 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12055463 Meltable fluorescent dye for leak detection Limin Chen 2024-08-06
11732937 Multi-profile adapter assembly Gabriel Dash 2023-08-22
11519810 System for delivering leak detection dye with a reclaim/recharge unit 2022-12-06
11467054 Fluorescent dye formulation and leak detection method Jonathan Cooper, Limin Chen, Jennifer Hunt 2022-10-11
10401253 Fluorescent dye formulation and leak detection method Jonathan Cooper, Limin Chen, Jennifer Hunt 2019-09-03
10180371 Ultrasonic detector with storable probes Richard Regan, Robert E. Cannuscio 2019-01-15
9011716 White fluorescent blended dye for leak detection 2015-04-21
8616722 Inspection lamp with interchangeable mount Gustavo Garcia 2013-12-31
8591066 Modular lamp head and assembly for non-destructive testing Gustavo Garcia, Chih-Tsung Su 2013-11-26
8167449 Inspection lamp with interchangeable LED light source module 2012-05-01
8110401 Blend dyes and method of identifying leaks 2012-02-07
7552623 Enhanced leak detection dye carrier B. William Cooper 2009-06-30
7251984 Refrigerant with leak detection dye concentrate B. William Cooper 2007-08-07
6165384 Full spectrum fluorescent dye composition for the optimization of leak detection processes B. William Cooper 2000-12-26
5905268 Inspection lamp with thin-film dichroic filter Gustavo Garcia 1999-05-18