For the Inventor, By the Inventor

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Dover, NJ, United States of America

Northwest Instrument Inc.

USPTO Granted Patents = 29

CIPO Patents = 1

EPO Patents = 3

Trademarks = 2

Forward Citations = 30

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13 inventors (with patents filed for the assignee):

David Xing (27 out of 27 patents)

Xin Shi (26 out of 29 patents)

Weichen Wang (3 out of 3 patents)

4. Wei Huang (1 out of 65 patents)

5. Yi-An Pan (1 out of 8 patents)

6. Yufei Wei (1 out of 1 patent)

7. Yang Zhou (1 out of 8 patents)

8. Jinmin Zeng (1 out of 1 patent)

9. Chao Zhu (1 out of 2 patents)

10. Wei Zhang (1 out of 122 patents)

11. Xiaolin Lv (1 out of 1 patent)

12. Kui Liu (1 out of 1 patent)

13. Mingyu Zhang (1 out of 1 patent)

14. David Xing (0 patent)

15. David Xing (0 patent)

29 patents: Sort by Forward Citations

1. 12511840 - Intelligent interface based on augmented reality (2025-12-30),

2. 12460944 - Device for calibrating laser level (2025-11-04),

3. 12459725 - Painting assembly for distance measuring wheel (2025-11-04),

4. 12405714 - Trajectory processing method and apparatus (2025-09-02),

5. 12111151 - Method and device for generating trajectory diagram (2024-10-08),

6. 12055414 - Ranging system and ranging method (2024-08-06),

7. 11955771 - Control device and method for laser device and laser measurement device (2024-04-09),

8. 11859999 - Device for calibrating laser level (2024-01-02),

9. 11831081 - Radiation assembly, waveguide antenna sub-array, and waveguide array antenna (2023-11-28),

10. 11812084 - Method and device for content recording and streaming (2023-11-07),

11. 11768072 - Distance measurement method and distance measurement system (2023-09-26),

12. 11761764 - Method and laser tracking system for using laser level to track detector (2023-09-19),

13. 11709228 - Laser positioning apparatus and laser positioning method (2023-07-25),

14. 11703357 - Method and system for calibrating laser level (2023-07-18),

15. 11647968 - Door access control system with body temperature detection function (2023-05-16),

Northwest Instrument Inc. is a leading provider of surveying and construction instruments. With over 30 years of experience, we offer a comprehensive range of high-quality products including surveying levels, theodolites, total stations, and GPS devices. Our instruments are widely used by professionals in various industries such as land surveying, construction, engineering, and environmental sciences. Northwest Instrument is dedicated to delivering accurate and reliable measurement solutions to our customers, helping them achieve precise results in their projects.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

29 Patents

#2 in Dover, NJ

#460 in New Jersey

#11,233 in US

#21,865 in the World

Dover, NJ, United States of America

Northwest Instrument Inc.

Forward Citations = 30

13 inventors:

David Xing (27 out of 27 patents)

Xin Shi (26 out of 29 patents)

Weichen Wang (3 out of 3 patents)

4. Wei Huang (1 out of 65 patents)

5. Yi-An Pan (1 out of 8 patents)

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