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Cincinnati, OH, United States of America

Chemed Corporation

USPTO Granted Patents = 45

Trademarks = 10

Forward Citations = 799

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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 Inhibition

Detergent Compositions

Foam Cleaners

Water Treatment

Microbiological Growth Control

Emulsion Preparation

Anti-Scaling Agents

Deoxygenation Techniques

Flocculant Polymers

Analytical Cell Assembly

Cationic Starches

Hospital Equipment

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),

Chemed Corporation provides healthcare services in the United States. It operates through two segments, VITAS and Roto-Rooter. The VITAS segment offers hospice and palliative care services to patients with terminal illnesses. The Roto-Rooter segment provides plumbing, drain cleaning, water restoration, and other related services to residential and commercial customers. Chemed Corporation was founded in 1970 and is headquartered in Cincinnati, Ohio.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

45 Patents

#26 in Cincinnati, OH

#319 in Ohio

#7,499 in US

#14,979 in the World

Cincinnati, OH, United States of America

Chemed Corporation

Forward Citations = 799

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)

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