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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Arnold Hennessy — 13 Patents

FLFluidmaster: 6 patents #7 of 86Top 9%
Schreiber, CA: #88 of 2,446 inventorsTop 4%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Arnold Hennessy has been granted 13 US patents while listed as an inventor at Fluidmaster. The first was granted in 1982 and the most recent in September 2003. Arnold Hennessy ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Arnold Hennessy in Schreiber, ON, CA.

Patents per Year

Patents granted per year, 1982 to 2003Bar chart with a peak of 4 patents in 1995.peak 41982: 1 patents19821983: 2 patents19831987: 1 patents19871992: 1 patents19921995: 4 patents19951996: 1 patents19961997: 1 patents19971999: 1 patents19992003: 1 patents2003

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6611967 Dump bucket toilet with controlled discharge and return Philip Hennessy, Myron J. Ament 2003-09-02
5887293 Simplified dump bucket toilet 1999-03-30
5666674 Dump bucket toilet 1997-09-16
5487193 Enhanced operation toilet 1996-01-30
5426794 Vacuum assisted toilet with controlled vacuum 1995-06-27
5406652 Toilet water source 1995-04-18
5404597 Vacuum assist toilet trap 1995-04-11
5386596 Water saver toilet 1995-02-07
5142712 Vacuum assisted toilet 1992-09-01
4707868 Toilet flushing apparatus 1987-11-24
4407025 Water-conserving toilet John Inch 1983-10-04
D269634 Water closet John Inch 1983-07-05
4310934 Water-conserving toilet John Inch 1982-01-19