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

Fred Levko — 8 Patents

CTCooper Technologies: 5 patents #193 of 757Top 30%
Illinois Tool Works: 2 patents #1,867 of 4,311Top 45%
SISiegel-Robert: 1 patents #3 of 12Top 25%
Evanston, IL: #221 of 1,719 inventorsTop 15%
Illinois: #11,515 of 84,256 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Fred Levko has been granted 8 US patents. The first was granted in 1985 and the most recent in August 1999. Fred Levko ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Fred Levko in Evanston, IL, US.

Patents per Year

Patents granted per year, 1985 to 1999Bar chart with a peak of 2 patents in 1990.peak 21985: 1 patents19851986: 1 patents19861989: 1 patents19891990: 2 patents19901991: 2 patents19911999: 1 patents1999

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5946151 Automobile pivotal mirror mounting assembly 1999-08-31
5075664 Spring timer for fuse Keith Allen Spalding 1991-12-24 $18,185,000
4992770 Fuse with improved spring timer Keith Allen Spalding, Donald E. Johnston, John Ackermann, Arlie Ehlman 1991-02-12 $27,733,000
4972170 High speed fuse Arlie H. Ehlmann, Ronald E. Mollet 1990-11-20 $4,483,000
4949063 End closure system for high speed fuse 1990-08-14 $5,871,000
4814627 Cable fuse identification system Thomas P. Speas, Jr. 1989-03-21 $2,959,000
4624049 Switch actuator assembly 1986-11-25 $1,901,000
4524248 Alternate action headlamp switch with mechanical logic 1985-06-18 $1,708,000