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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Dundas — 2 Patents

FRFactory Mutual Research: 2 patents #2 of 20Top 10%
Duxbury, MA: #88 of 188 inventorsTop 50%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert E. Dundas has been granted 2 US patents while listed as an inventor at Factory Mutual Research. The first was granted in 1987 and the most recent in October 1990. Robert E. Dundas ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert E. Dundas in Duxbury, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4962831 Apparatus for controlling lubricating oil fires due to oil line failure 1990-10-16
4692701 Method of testing steam turbine rotors to determine if they should be retired because of embrittlement Fred W. Tatar 1987-09-08