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

Ralph E. Nelson — 4 Patents

WIWinfield: 2 patents #1 of 7Top 15%
WIWinfield Industries: 1 patents #3 of 9Top 35%
CUCummins: 1 patents #1,927 of 2,217Top 90%
Newport Beach, CA: #464 of 1,653 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ralph E. Nelson has been granted 4 US patents while listed as an inventor at Winfield. The first was granted in 1985 and the most recent in July 1998. Ralph E. Nelson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ralph E. Nelson in Newport Beach, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5775303 High Pressure Fuel Line Connection Roger D. Sweetland 1998-07-07 $5,048,000
4593873 Portable hamper with foot pedal operated cover 1986-06-10
4520926 Container for sharps 1985-06-04
4494652 Container for sharps Ann L. Nelson, Evelyn J. Bogner, Paul Bogner 1985-01-22