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

Ronald E. Davis — 10 Patents

Panasonic: 6 patents #4,450 of 21,108Top 25%
H(Her Majesty The Queen In Right Of Canada (...): 1 patents #11 of 114Top 10%
PEPennwalt: 1 patents #119 of 288Top 45%
Gatineau, CA: #153 of 1,550 inventorsTop 10%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Ronald E. Davis has been granted 10 US patents while listed as an inventor at Panasonic. The first was granted in 1986 and the most recent in April 2011. Ronald E. Davis ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Ronald E. Davis in Gatineau, QC, CA.

Patents per Year

Patents granted per year, 1986 to 2011Bar chart with a peak of 3 patents in 2010.peak 31986: 1 patents19861990: 2 patents19901993: 1 patents19932008: 1 patents20082009: 1 patents20092010: 3 patents20102011: 1 patents2011

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7921510 Motor enclosure for a vacuum cleaner Jeffrey T. Roney 2011-04-12 $82,000
7752707 Bag cage having bag candy R. Michael Mayes, Kerry L. Dever 2010-07-13 $105,000
7735187 Bag cage having bag caddy R. Michael Mayes, Kerry L. Dever 2010-06-15 $89,000
7676884 Vacuum cleaner equipped with bag compartment including a bag cage R. Michael Mayes, Kerry L. Dever, J. Hitzelberger 2010-03-16 $165,000
7614113 Motor enclosure for a vacuum cleaner Jeffrey T. Roney 2009-11-10 $268,000
7468083 Vacuum cleaner equipped with bag mount and separate bag caddy James Todd Crouch, Chad Overvaag 2008-12-23 $486,000
5231982 Molded nosecup valve assembly Brian Harrison 1993-08-03
4938945 High purity anhydrous FeF.sub.3 and process for its manufacture Tariq Mahmood, Charles B. Lindahl 1990-07-03
4915099 Moulded speech transmitter 1990-04-10
4626122 Connector Brian Harrison 1986-12-02