For the Inventor, By the Inventor

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Calgary, Canada

Sanjel Limited Partnership

USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 71

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4 inventors (with patents filed for the assignee):

Neil Warrender (3 out of 4 patents)

Amir Mahmoudkhani (3 out of 3 patents)

Nga Tu Huynh (1 out of 1 patent)

4. Charles Sylvestre (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8596363 - Oil and gas well cement systems using elemental sulfur (2013-12-03),

2. 8268072 - Oil and gas well cement systems using elemental sulfur (2012-09-18),

3. 7867954 - Pumice containing compositions for cementing a well (2011-01-11),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#291 in Calgary

#4,250 in Canada

Calgary, Canada

Sanjel Limited Partnership

Forward Citations = 71

4 inventors:

Neil Warrender (3 out of 4 patents)

Amir Mahmoudkhani (3 out of 3 patents)

Nga Tu Huynh (1 out of 1 patent)

4. Charles Sylvestre (1 out of 1 patent)

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