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Constantine N. Stavropoulos — 6 Patents

EGEngineering Resources Group: 3 patents #2 of 6Top 35%
Northbrook, IL: #137 of 772 inventorsTop 20%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Constantine N. Stavropoulos has been granted 6 US patents while listed as an inventor at Engineering Resources Group. The first was granted in 1984 and the most recent in February 2025. Constantine N. Stavropoulos ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Constantine N. Stavropoulos in Northbrook, IL, US.

Patents per Year

Patents granted per year, 1984 to 2025Bar chart with a peak of 2 patents in 1984.peak 21984: 2 patents19841997: 1 patents19972023: 1 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D1060617 Steam trap Charles N. Miller 2025-02-04
D1018799 Nozzle cartridge for steam trap Charles N. Miller 2024-03-19
11788684 Steam trap construction with ease of access for maintenance Charles N. Miller 2023-10-17
5676719 Universal insert for use with radiator steam traps Lianquan Liu, Panos N. Stavropoulos 1997-10-14
4486208 Condensate removal device for steam lines and the like — 1984-12-04
4426213 Condensate removal device for steam lines and the like — 1984-01-17

Frequent Collaborators

Charles N. Miller3 shared
Lianquan Liu1 shared
Panos N. Stavropoulos1 shared

Nearby-Ranked Inventors

Aurélien Joulia6
Michael F. Vollero6
Stefano Fracassi6
Uwe Gruenbeck6
Alexander Matrosov6
Rouzbeh Behnia6
Carole Chapelat6
Mina Sedaghat6
Martinus Johannes Donatus Brakkee6