Trademarks = 1

Forward Citations = 233

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4 inventors (with patents filed for the assignee):

John R Scoville (4 out of 10 patents)

Frieder H Ensslin (2 out of 6 patents)

Patrick J McCormick (2 out of 2 patents)

4. Danny J LePage (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. D300305 - Thermal indicator for vacuum sterilizer test packs (1989-03-21),

2. 4743537 - Biological indicator for sterilization processes (1988-05-10),

3. 4717661 - Biological indicator for sterilization processes (1988-01-05),

4. 4712544 - Electrosurgical generator (1987-12-15),

5. 4662369 - Electrosurgical apparatus having a safety circuit (1987-05-05),

6. D289206 - Surgical light handle (1987-04-07),

Company Overview

Castle Company is a leading provider of high-quality construction and property management services. With years of experience in the industry, we have built a strong reputation for delivering exceptional results on every project. Our team of skilled professionals is dedicated to meeting the unique needs of each client and ensuring that every project is completed to the highest standards. We specialize in residential, commercial, and industrial construction, as well as property management services. Contact us today to learn more about how Castle Company can help with your next project.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

6 Patents

#101 in Rochester, NY

#2,693 in New York

#44,949 in US

Rochester, NY, United States of America

Castle Company

Forward Citations = 233

4 inventors:

John R Scoville (4 out of 10 patents)

Frieder H Ensslin (2 out of 6 patents)

Patrick J McCormick (2 out of 2 patents)

4. Danny J LePage (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Castle Company. Retrieved from https://idiyas.com/company/castle-company

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]