% Expired Patents = 7.7

CIPO Patents = 1

EPO Patents = 1

Forward Citations = 119

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4 inventors (with patents filed for the assignee):

Paul R Kruesi (12 out of 19 patents)

William H Kruesi (3 out of 3 patents)

Veryl H Frahm, Jr (2 out of 4 patents)

4. Derek Fray (1 out of 4 patents)

13 patents: Sort by Forward Citations

1. 7955749 - Carbon-fueled fuel cell (2011-06-07),

2. 7544227 - Microwave enhancement of the segregation roast (2009-06-09),

3. 7425315 - Method to recapture energy from organic waste (2008-09-16),

4. 5332560 - Process for the removal of zinc and nickel from copper ammine sulfate (1994-07-26),

5. 5173276 - Method for recovery of copper from copper-containing materials (1992-12-22),

6. 4631176 - Recovery of anhydrous zinc chloride (1986-12-23),

7. 4500498 - Ammonium chloride-ammonium hydroxide strip for the recovery of anhydrous (1985-02-19),

8. 4321089 - Process for the recovery of molybdenum and rhenium from their sulfide (1982-03-23),

9. 4311520 - Process for the recovery of nickel, cobalt and manganese from their (1982-01-19),

10. 4209501 - Chlorides of lead, zinz, copper, silver and gold (1980-06-24),

11. 4179492 - Process for making rare earth metal chlorides (1979-12-18),

12. 4144056 - Process for recovering nickel, cobalt and manganese from their oxide and (1979-03-13),

13. 4118200 - Process for desulfurizing coal (1978-10-03),

Company Overview

Cato Research Corporation is a prominent entity in the field of biopharmaceutical development, specializing in providing comprehensive services that span the entire product lifecycle. The company focuses on drug development, regulatory affairs, and clinical research, ensuring that innovative therapies are effectively brought to market. Headquartered in Golden, Colorado, Cato Research leverages its expertise to support clients in navigating complex regulatory environments and advancing medical solutions that address unmet health needs.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#33 in Golden, CO

#493 in Colorado

#23,815 in US

#44,988 in the World

Golden, CO, United States of America

Cato Research Corporation

Forward Citations = 119

4 inventors:

Paul R Kruesi (12 out of 19 patents)

William H Kruesi (3 out of 3 patents)

Veryl H Frahm, Jr (2 out of 4 patents)

4. Derek Fray (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cato Research Corporation. Retrieved from https://idiyas.com/company/cato-research

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