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Charles Hansen — 5 Patents

TRTri-Tech: 4 patents #3 of 18Top 20%
Wolcott, CT: #18 of 103 inventorsTop 20%
Connecticut: #8,579 of 34,797 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Charles Hansen has been granted 5 US patents while listed as an inventor at Tri-Tech. The first was granted in 1985 and the most recent in December 1989. Charles Hansen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Charles Hansen in Wolcott, CT, US.

Patents per Year

Patents granted per year, 1985 to 1989Bar chart with a peak of 2 patents in 1987.peak 21985: 1 patents19851987: 2 patents19871989: 2 patents1989

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4884333 Method of making a stepper motor Roy Cooper 1989-12-05
4841189 Stepper motor and method of making the same Roy Cooper 1989-06-20
4714853 Low profile electric motor Albert Palmero 1987-12-22
4655099 Noiseless stepper motor — 1987-04-07
4501981 Return-to-zero stepper motor — 1985-02-26

Frequent Collaborators

Roy Cooper2 shared
Albert Palmero1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5