Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Fred C. Eicher — 6 Patents

TUTurn-Act: 3 patents #2 of 9Top 25%
HMHilliard-Lyons Patent Management: 1 patents #2 of 9Top 25%
Louisville, KY: #492 of 3,201 inventorsTop 20%
Kentucky: #1,885 of 11,577 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Fred C. Eicher has been granted 6 US patents while listed as an inventor at Turn-Act. The first was granted in 1984 and the most recent in November 1996. Fred C. Eicher ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Fred C. Eicher in Louisville, KY, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5570769 Linear and rotary actuator combination Charles F. Evans, Jr., Gary M. Rumrill 1996-11-05
5556149 Gripper device Charles F. Evans, Jr., Charles F. Evans 1996-09-17
5404983 Turn-act multiaction device Charles F. Evans, Jr., Gary M. Rumrill 1995-04-11
5040453 Actuator housing continuation Charles F. Evans, Jr. 1991-08-20
4475738 Dynamic seal arrangement with X-shaped seal Charles F. Evans, Jr. 1984-10-09
4474105 Oscillatory fluid powered motor Charles F. Evans, Jr. 1984-10-02