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For the Inventor, By the Inventor

Plano, TX, United States of America

Rug Doctor, LLC


USPTO Granted Patents = 49

% Expired Patents = 4.1



Trademarks = 25

Forward Citations = 497

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40 inventors (with patents filed for the assignee):

goldMedal Ernest Matthew Chavana, Jr (24 out of 25 patents)

silverMedal Stanley Anderson (18 out of 19 patents)

bronzeMedal Christopher Terpstra (18 out of 19 patents)

4.  Jan Valentic (18 out of 19 patents)

5.  Richard Gene Foster (18 out of 32 patents)

6.  Xintao Ma (15 out of 16 patents)

7.  Timothy J Wall (15 out of 15 patents)

8.  Schubert Pereira (12 out of 12 patents)

9.  Jason E Hill (11 out of 17 patents)

10.  Jason Grant Tilk (8 out of 81 patents)

11.  Ann Marie Morrow (8 out of 8 patents)

12.  Walter Haug (8 out of 8 patents)

13.  Lindsey Tufts (8 out of 15 patents)

14.  Evan Spirk (8 out of 10 patents)

15.  Paul Dana Stephens (8 out of 104 patents)


Core Competencies:
Surface Cleaning Apparatus
Liquid Extraction Device
Floor Cleaning Machine
Carpet Cleaning Machine
Steam Cleaning Device
Modular Vacuum System
Cleaning Tool
Tank Caddy
Recovery Tank
Handheld Vacuum Tool
Nozzle
Brush Roll

49 patents:

1. 10743734 - Surface cleaning apparatus (2020-08-18),
2. 10674881 - Liquid extraction apparatus and method (2020-06-09),
3. 10610076 - Liquid extraction apparatus (2020-04-07),
4. D875334 - Surface cleaning system (2020-02-11),
5. D874767 - Surface cleaning head (2020-02-04),
6. D874766 - Surface cleaning head (2020-02-04),
7. D873625 - Tank caddy (2020-01-28),
8. D873512 - Surface cleaning system (2020-01-21),
9. D872399 - Surface cleaning head (2020-01-07),
10. D869113 - Surface cleaning device handle (2019-12-03),
11. D869112 - Nozzle (2019-12-03),
12. D869111 - Nozzle (2019-12-03),
13. D861267 - Surface cleaning attachment (2019-09-24),
14. D857320 - Recovery tank (2019-08-20),
15. D857319 - Cleaning fluid tank (2019-08-20),
Company Overview
Rug Doctor, LLC, headquartered in Plano, TX, specializes in the development and manufacturing of advanced surface cleaning technologies. The company is renowned for its innovative carpet cleaning machines and liquid extraction devices, designed to enhance cleaning efficiency for both residential and commercial applications. Their product line includes steam cleaning devices, modular vacuum systems, and handheld vacuum tools, catering to a diverse range of cleaning needs. Rug Doctor's commitment to quality and performance positions it as a leader in the cleaning equipment industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Rug Doctor, LLC USPTO Patent Assignee Logo
49 Patents

#26 in Plano, TX

#388 in Texas

#7,142 in US

#14,277 in the World

Plano, TX (US)
Plano, TX, United States of America

Rug Doctor, LLC

Forward Citations = 497

40 inventors:

goldMedal Ernest Matthew Chavana, Jr (24 out of 25 patents)

silverMedal Stanley Anderson (18 out of 19 patents)

bronzeMedal Christopher Terpstra (18 out of 19 patents)

4.  Jan Valentic (18 out of 19 patents)

5.  Richard Gene Foster (18 out of 32 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rug Doctor, LLC. Retrieved from https://idiyas.com/company/rug-doctor

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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