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

Robert M. Nelson — 12 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
HEHexcel: 1 patents #98 of 219Top 45%
WEWeatherford/Lamb: 1 patents #476 of 852Top 60%
WEWestinghouse Electric: 1 patents #2,483 of 5,139Top 50%
Rosamond, CA: #2 of 39 inventorsTop 6%
California: #51,404 of 386,348 inventorsTop 15%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Robert M. Nelson has been granted 12 US patents while listed as an inventor at Unknown. The first was granted in 1983 and the most recent in October 2017. Robert M. Nelson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Robert M. Nelson in Rosamond, CA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9777716 Dual displacement fluid level control pump Richard E. Nelson, Robert K Dyas 2017-10-03
7975572 Methods and apparatus for make up and break out of tubular connections 2011-07-12 $86,323,000
6567675 Programmable automatic prefix dialer for wireless Howard Rosen 2003-05-20
5890809 Carrying bag with deployable bottle pouch 1999-04-06
5806472 Method and means for removal of used oil and blending with fuel for disposal in an engine Robert E. Nelson 1998-09-15
5163212 Safety tool for handling of unitized jaw assembly in power sucker rod tongs 1992-11-17
5009927 Method for coating fabric surface with electrically conductive film Willard C. Cloyd 1991-04-23 $1,171,000
4834133 Control valve Bernard L. LaCoste, Suryakant K. Dawawala 1989-05-30 $2,502,000
4784048 Filter system incorporated with cab for orchard sprayer 1988-11-15
4747300 Sensing pump with improved discrimination between liquids and gases Robert E. Nelson 1988-05-31
4496287 Sensors for detection of fluid condition, and control systems utilizing their signals Robert E. Nelson 1985-01-29
4376449 Two reservoir system in which fluid is drawn from one to maintain a level in the other Robert E. Nelson 1983-03-15