CIPO Patents = 1

Trademarks = 1

Forward Citations = 686

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6 inventors (with patents filed for the assignee):

Ruth K Harker (3 out of 3 patents)

Robert H Graebe (2 out of 33 patents)

David A McInturff (2 out of 2 patents)

4. Robert Sparacio (1 out of 1 patent)

5. Brian Cummings (1 out of 1 patent)

6. Jill Sparacio (1 out of 1 patent)

7 patents: Sort by Forward Citations

1. 6687937 - Moisture drying mattress with separate zone controls (2004-02-10),

2. 6487739 - Moisture drying mattress with separate zone controls (2002-12-03),

3. 6474743 - Wheelchair back support assembly (2002-11-05),

4. 5984418 - Adjustable seat for wheelchairs (1999-11-16),

5. 5954402 - Size-adjustable load supporting device for wheelchairs (1999-09-21),

6. 5596781 - Vacuum/heat formed cushion with pyramidal, inflatable cells (1997-01-28),

7. 5561875 - Vacuum/heat formed cushion supported on a fluid permeable manifold (1996-10-08),

Company Overview

Crown Therapeutics, Inc. is a leading pharmaceutical company dedicated to developing innovative solutions in the healthcare industry. With a focus on improving patient outcomes, Crown Therapeutics specializes in research, development, and commercialization of cutting-edge therapies. Our team of experts works tirelessly to bring novel treatments to market, addressing critical unmet medical needs and advancing global health. Visit our website to learn more about our products and commitment to excellence in healthcare.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

7 Patents

#3 in Belleville, IL

#1,882 in Illinois

#39,879 in US

Belleville, IL, United States of America

Crown Therapeutics, Inc.

Forward Citations = 686

6 inventors:

Ruth K Harker (3 out of 3 patents)

Robert H Graebe (2 out of 33 patents)

David A McInturff (2 out of 2 patents)

4. Robert Sparacio (1 out of 1 patent)

5. Brian Cummings (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crown Therapeutics, Inc.. Retrieved from https://idiyas.com/company/crown-therapeutics

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]

1 patent (CIPO):

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]