Forward Citations = 95

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3 inventors (with patents filed for the assignee):

John M Stewart (10 out of 15 patents)

David Charles Fleming (3 out of 3 patents)

Clifford Bruce Hewson (2 out of 3 patents)

13 patents: Sort by Forward Citations

1. 5933882 - Lever-actuated flush toilet (1999-08-10),

2. 5906011 - Dual foot pedal-operated flush toilet (1999-05-25),

3. 5815852 - Toilet with internal rinse mechanism (1998-10-06),

4. 5086521 - Padded toilet seat lid (1992-02-11),

5. 5022946 - Padded toilet seat lid (1991-06-11),

6. D304072 - Toilet (1989-10-17),

7. 4817215 - Toilets (1989-04-04),

8. 4764994 - Portable toilet (1988-08-23),

9. 4710988 - Flush toilet (1987-12-08),

10. 4603443 - Toilet with sight gauge (1986-08-05),

11. 4439875 - Toilet (1984-04-03),

12. 4091475 - Portable toilets (1978-05-30),

13. 4086037 - Diaphragm pump (1978-04-25),

Company Overview

Sanitation Equipment Limited, based in Concord, CA, specializes in the design and manufacturing of advanced sanitation solutions. The company focuses on developing innovative equipment that enhances hygiene and cleanliness across various industries, including food service, healthcare, and commercial sectors. With a commitment to quality and efficiency, Sanitation Equipment Limited leverages cutting-edge technology to address the evolving needs of its clients, ensuring effective sanitation practices that promote health and safety.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#10 in Concord

#1,164 in Canada

#45,039 in the World

Concord, Canada

Sanitation Equipment Limited

Forward Citations = 95

3 inventors:

John M Stewart (10 out of 15 patents)

David Charles Fleming (3 out of 3 patents)

Clifford Bruce Hewson (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sanitation Equipment Limited. Retrieved from https://idiyas.com/company/sanitation-equipment

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]