Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Macdonald — 7 Patents

ENEntrust: 1 patents #68 of 140Top 50%
GTGoal Line Environmental Technologies: 1 patents #9 of 12Top 75%
Perth, CA: #4 of 27 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert Macdonald has been granted 7 US patents while listed as an inventor at Entrust. The first was granted in 1990 and the most recent in December 2023. Robert Macdonald ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert Macdonald in Perth, ON, CA.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11850869 Retransfer printer with platen roller homing Arthur J. Paulson, Ivan Lopez Espinosa 2023-12-26
7698757 Textile construction 2010-04-20
7143457 Textile construction 2006-12-05
6935105 Integrated apparatus for removing pollutants from a fluid stream in a lean-burn environment with heat recovery Dorrish L. Page, Bradley L. Edgar 2005-08-30
5765241 Fitted sheet for a mattress, and method of making it 1998-06-16
5762885 Apparatus for removing contaminants from gaseous stream. Lawrence Debbage, Thomas A. Harris, Eugene M. Kelley, Cary Seabaugh, Boris Reyes +1 more 1998-06-09
4912790 Fitted bed sheets 1990-04-03