Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Duc H. Tran — 11 Patents

Pitney Bowes: 5 patents #316 of 1,313Top 25%
BDBlack & Decker: 3 patents #986 of 2,745Top 40%
HIHp Intellectual: 2 patents #23 of 105Top 25%
Bridgeport, CT: #18 of 303 inventorsTop 6%
Connecticut: #4,146 of 34,797 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Duc H. Tran has been granted 11 US patents while listed as an inventor at Pitney Bowes. The first was granted in 1989 and the most recent in May 2000. Duc H. Tran ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Duc H. Tran in Bridgeport, CT, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6060698 Method of controlling the operation of a cooking appliance Christie Petrides 2000-05-09
5948305 Multi-function control module for toaster oven appliance Christie Petrides 1999-09-07
5698123 Toaster compensation for repeated use 1997-12-16 $7,691,000
5672288 Light sensitive control for toaster 1997-09-30 $8,477,000
5402708 Control for a toaster for varying the duration of the toasting cycle Charles Z. Krasznai, Leonard I. Horey 1995-04-04 $14,450,000
5123368 Laminar air-flow sail David A. Reed 1992-06-23
4926193 Thermal transfer ribbon cartridge including ribbon perforating means William Berson, Julius Gluck, Patrick M. Murphy, Christopher D. Smith 1990-05-15 $6,335,000
4899172 Method and apparatus for perforating indicia on used thermal transfer ribbon within a cassette William Berson, Julius Gluck, Patrick M. Murphy, Christopher D. Smith 1990-02-06 $9,053,000
4860025 Thermal transfer printing process William Berson, Julius Gluck, Patrick M. Murphy 1989-08-22 $6,711,000
4857942 Apparatus for processing irregularly-shaped letters in a thermal printer Patrick M. Murphy 1989-08-15 $3,262,000
4855756 Thermal transfer printing apparatus including means for controlling printing on irregularly-shaped letters Julius Gluck, Patrick M. Murphy 1989-08-08 $6,570,000