Lev Tunkel — 11 Patents at Comcast

Lev Tunkel has been granted 11 US patents while listed as an inventor at Comcast. The first was granted in 1994 and the most recent in November 2022. Lev Tunkel ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Lev Tunkel in The Bronx, NY, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date
11493239	Method for reducing the energy necessary for cooling natural gas into liquid natural gas using a non-freezing vortex tube as a precooling device	Ross Gale	2022-11-08
6289679	Non-freeze enhancement in the vortex tube	Boris Khasqvitski	2001-09-18
6082116	Vortex pilot gas heater	Boris Krasovitski	2000-07-04
5950436	Method of beverage cooling/heating on vehicles	Boris Krasovitski, Robert L. Foster	1999-09-14
5937654	Vortex tube for snow making	Boris Krasovitski, Robert L. Foster	1999-08-17
5911740	Method of heat transfer enhancement in a vortex tube	Boris Krasovitski	1999-06-15
5819541	Method of beverage cooling/heating on vehicles	Boris Krasovitski, Robert L. Foster	1998-10-13
5749231	Non-freezing vortex tube	Boris Krasovitski, Rorbert L. Foster	1998-05-12
5582012	Method of natural gas pressure reduction on the city gate stations	Boris Krasovitski, Robert L. Foster	1996-12-10
5561982	Method for energy separation and utilization in a vortex tube which operates with pressure not exceeding atmospheric pressure	Boris Krasovitski	1996-10-08
5327728	Method of designing a vortex tube for energy separation	—	1994-07-12

Lev Tunkel — 11 Patents

Issued Patents All Time

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