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USPTO Patent Rankings Data through Dec 31, 2025
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Ray T. Flugger — 15 Patents

FLFlowmaster: 9 patents #1 of 1Top 100%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Petaluma, CA: #45 of 492 inventorsTop 10%
California: #40,789 of 386,348 inventorsTop 15%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Ray T. Flugger has been granted 15 US patents while listed as an inventor at Flowmaster. The first was granted in 1980 and the most recent in August 2005. Ray T. Flugger ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Ray T. Flugger in Petaluma, CA, US.

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6936000 Process and apparatus for selecting or designing products having content-free sound outputs 2005-08-30
6647288 Method and apparatus for designing a workstation Peter V. Madill 2003-11-11
6584346 Process and apparatus for selecting or designing products having sound outputs 2003-06-24
6089347 Muffler with partition array 2000-07-18
5892186 Muffler with gas-dispersing shell and sound-absorption layers 1999-04-06
5444197 Muffler with intermediate sound-attenuating partition and method 1995-08-22
5351481 Muffler assembly with balanced chamber and method 1994-10-04
D343574 Bottle 1994-01-25
5216883 Header assembly for internal combustion engine and method 1993-06-08
5123502 Muffler assembly with perforated partition for ignition of accumulated fuel and method 1992-06-23
5031577 Tangle-free tether post assembly 1991-07-16
4809812 Converging, corridor-based, sound-attenuating muffler and method 1989-03-07
4574914 Compact, sound-attenuating muffler for high-performance, internal combustion engine 1986-03-11
4550799 Muffler for exhaust gases 1985-11-05
4220219 Lightweight muffler and method for muffling noise 1980-09-02