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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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George Valdshtein — 12 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
KMKoor Metals: 2 patents #2 of 3Top 70%
AMAmbertag: 1 patents #20 of 67Top 30%
Holon, IL: #79 of 1,062 inventorsTop 8%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
George Valdshtein has been granted 12 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in September 2002. George Valdshtein ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list George Valdshtein in Holon, IL.

Patents per Year

Patents granted per year, 1981 to 2002Bar chart with a peak of 2 patents in 1986.peak 21981: 1 patents19811986: 2 patents19861988: 2 patents19881993: 1 patents19931996: 2 patents19961999: 2 patents19992000: 1 patents20002002: 1 patents2002

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6453801 Appliance for cooking food articles Ruben Masel 2002-09-24
6109169 Grilling appliance Ruben Masel 2000-08-29
6003436 Grilling appliance and food holder therefor Ruben Masel 1999-12-21
5970851 Grilling appliance and food holder therefor Ruben Masel 1999-10-26
5575196 Grilling appliance Reuben Masel 1996-11-19
5543166 Cooking method and appliance Ruben Masel 1996-08-06
5181455 Electric grilling appliance Ruben Masel 1993-01-26
4793151 Ice-cream making machine Ruben Masel, Philipp Leitner, Gustavo Kronenberg 1988-12-27
4762058 Grilling appliance Ruben Masel 1988-08-09
4632566 Ice-cream making machine Ruben Masel 1986-12-30
4609333 System for handling pressurized fluids Ruben Masel 1986-09-02
4258699 Solar collectors Ruben Masel 1981-03-31