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USPTO Patent Rankings Data through Dec 31, 2025
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Eugene W. Sivachenko — 13 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
Redding, CA: #11 of 258 inventorsTop 5%
California: #47,433 of 386,348 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Eugene W. Sivachenko has been granted 13 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in July 2006. Eugene W. Sivachenko ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Eugene W. Sivachenko in Redding, CA, US.

Patents per Year

Patents granted per year, 1980 to 2006Bar chart with a peak of 4 patents in 1980.peak 41980: 4 patents19801981: 3 patents19811982: 2 patents19821984: 2 patents19841987: 1 patents19872006: 1 patents2006

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7069614 Modular span multi-cell box girder bridge system Jiri Strasky 2006-07-04
4706319 Lightweight bridge structure Firoze H. Broacha 1987-11-17
4442650 Girder construction 1984-04-17
4434638 Method and apparatus for severing corrugated metal products 1984-03-06
4346576 Apparatus for severing corrugated metal products 1982-08-31
4317350 Corrugated plate having variable material thickness and method for making same Firoze H. Broacha 1982-03-02
4291510 Prefabricated building construction 1981-09-29
4275663 Corrugated vehicle underframe Firoze H. Broacha 1981-06-30
4269055 Large profile sheet metal corrugator Artemas M. Larkin, Bogdan W. Bernert 1981-05-26
4241146 Corrugated plate having variable material thickness and method for making same Firoze H. Broacha 1980-12-23
4220423 High strength corrugated metal plate and method of fabricating same 1980-09-02
4211504 High strength corrugated metal plate and method of fabricating same 1980-07-08
4186541 High strength corrugated metal plate and method of fabricating same 1980-02-05