For the Inventor, By the Inventor

Enter assignee name

Cincinnati, OH, United States of America

Chemed Corporation

Calculating rank

USPTO Granted Patents = 45

Trademarks = 7

Forward Citations = 805

Loading Chart...

Loading Chart...

45 inventors (with patents filed for the assignee):

Chih M Hwa (10 out of 31 patents)

Jose T Jacob (9 out of 10 patents)

Dionisio G Cuisia (5 out of 20 patents)

4. Stewart N Paul (3 out of 6 patents)

5. Murrell L Salutsky (2 out of 5 patents)

6. Denny E Daugherty (2 out of 4 patents)

7. Thomas C Tesdahl (2 out of 3 patents)

8. Herbert Goldsmith (2 out of 9 patents)

9. Norman Ellison Dewar (2 out of 2 patents)

10. Thomas R Tutein (2 out of 2 patents)

11. Robert T Claus (2 out of 2 patents)

12. Donald H Holdt (2 out of 6 patents)

13. Shyam N Dixit (2 out of 2 patents)

14. Douglas I Bain (2 out of 3 patents)

15. David A Carter (2 out of 2 patents)

Core Competencies:

Corrosion Inhibitor

Detergent Composition

Anti-Scaling

Foam Cleaner

Conductivity Cell

Deoxygenation

Mineral Spirits

Flocculant Polymers

Microbiological Control

Boiler Water Treatment

Demulsification

Analytical Cell Assembly

45 patents: Sort by Forward Citations

1. 4719083 - Composition useful as corrosion inhibitor, anti-scalant and continuous (1988-01-12),

2. 4681696 - Solid stabilized active halogen-containing detergent compositions and (1987-07-21),

3. 4406812 - Deodorant and reconditioner for metal working fluids (1983-09-27),

4. 4365200 - Self alarming four double electrodes conductivity cell (1982-12-21),

5. 4362994 - Self alarming five single electrodes conductivity cell (1982-12-07),

6. 4353745 - Cleaner for anti-graffiti system (1982-10-12),

7. 4306991 - Scale inhibition (1981-12-22),

8. 4298018 - Pumping process (1981-11-03),

9. 4278635 - Method for deoxygenation of water (1981-07-14),

10. 4256703 - Fly ash collection (1981-03-17),

11. 4255259 - Scale inhibition (1981-03-10),

12. 4248728 - Liquid scouring cleanser (1981-02-03),

13. 4245573 - Air heater corrosion prevention (1981-01-20),

14. 4242216 - Stabilized dichlorodimethyl hydantoin (1980-12-30),

15. 4230592 - Controlled foam detergent additive (1980-10-28),

Company Overview

Chemed Corporation, headquartered in Cincinnati, Ohio, specializes in developing and manufacturing advanced solutions for various industrial applications. The company focuses on core technology areas such as corrosion inhibition, detergent compositions, and foam cleaners, which are essential for maintaining equipment and enhancing operational efficiency. Additionally, Chemed is engaged in water treatment and microbiological growth control, providing innovative products that address environmental and health concerns. Their expertise extends to emulsion preparation, anti-scaling agents, and deoxygenation techniques, reinforcing their commitment to delivering effective and sustainable solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

45 Patents

#23 in Cincinnati, OH

#337 in Ohio

#7,802 in US

#15,477 in the World

Cincinnati, OH, United States of America

Chemed Corporation

Forward Citations = 805

45 inventors:

Chih M Hwa (10 out of 31 patents)

Jose T Jacob (9 out of 10 patents)

Dionisio G Cuisia (5 out of 20 patents)

4. Stewart N Paul (3 out of 6 patents)

5. Murrell L Salutsky (2 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chemed Corporation. Retrieved from https://idiyas.com/company/chemed

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]

Loading…