For the Inventor, By the Inventor

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Calgary, Alberta, undefined

Sas E&p Ltd.

USPTO Granted Patents = 3

% Expired Patents = 100.0

CIPO Patents = 1

Forward Citations = 0

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9 inventors (with patents filed for the assignee):

Zhentang Fu (3 out of 3 patents)

Qiang Guo (1 out of 8 patents)

Chunhua Gao (1 out of 1 patent)

4. Du Chen (1 out of 2 patents)

5. Ming Zhou (1 out of 1 patent)

6. Biao Guo (1 out of 1 patent)

7. Jiaen Song (1 out of 1 patent)

8. Hailong Wang (1 out of 1 patent)

9. Qiang Ma (1 out of 1 patent)

10. Ming Zhou (0 patent)

3 patents: Sort by Forward Citations

1. 9979217 - Electrical power supply apparatus having solar panel and battery (2018-05-22),

2. 9348043 - Multi-coil multi-terminal closed-loop geophone accelerometer (2016-05-24),

3. 9238251 - Dual-coil geophone accelerometer (2016-01-19),

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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#4 in Calgary, Alberta

#4,355 in unknown

Calgary, Alberta, undefined

Sas E&p Ltd.

Forward Citations = 0

9 inventors:

Zhentang Fu (3 out of 3 patents)

Qiang Guo (1 out of 8 patents)

Chunhua Gao (1 out of 1 patent)

4. Du Chen (1 out of 2 patents)

5. Ming Zhou (1 out of 1 patent)

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