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For the Inventor, By the Inventor

London, United Kingdom

W. R. Grace Limited

Calculating rank
USPTO Granted Patents = 9


Forward Citations = 123

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8 inventors (with patents filed for the assignee):

goldMedal John Hurst (3 out of 5 patents)

silverMedal George B Cusdin (1 out of 1 patent)

bronzeMedal Peter J Thompson (1 out of 1 patent)

4.  Timothy J Martin (1 out of 4 patents)

5.  Noel J Baker (1 out of 1 patent)

6.  Gerd K Hannemann (1 out of 1 patent)

7.  Basil J May (1 out of 1 patent)

8.  John R Evans (1 out of 1 patent)

9.  Anthony Warren Mcmurtrie (0 patent)

10.  Alan Gordon Stewart (0 patent)

11.  Anthony Warren Mcmurtrie Bainbridge (0 patent)


9 patents:

1. 5348791 - Foldable waterproofing structure (1994-09-20),
2. 4927723 - Relief printing plate manufacture (1990-05-22),
3. 4751122 - Waterproof membrane (1988-06-14),
4. 4741490 - Mandrel for applying wrapping material (1988-05-03),
5. 4677179 - Storage stable, heat curable, coating composition (1987-06-30),
6. 4539262 - Insulating material (1985-09-03),
7. 4148934 - Secondary photocuring of photocured printing plate, apparatus and method (1979-04-10),
8. 4044091 - Separator for concrete wrapping to submarine pipelines (1977-08-23),
9. 4037627 - Separator for concrete wrapping to submarine pipelines (1977-07-26),
Company Overview
W. R. Grace Limited is a leading global supplier of catalysts and specialty materials. With a history dating back to 1854, the company has a strong presence in the market and offers a wide range of solutions for various industries including refining, petrochemicals, and plastics. W. R. Grace Limited is committed to delivering innovative products and services that drive performance and sustainability for its customers.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

9 Patents

#349 in London

#1,906 in United Kingdom

London, GB
London, United Kingdom

W. R. Grace Limited

Forward Citations = 123

8 inventors:

goldMedal John Hurst (3 out of 5 patents)

silverMedal George B Cusdin (1 out of 1 patent)

bronzeMedal Peter J Thompson (1 out of 1 patent)

4.  Timothy J Martin (1 out of 4 patents)

5.  Noel J Baker (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: W. R. Grace Limited. Retrieved from https://idiyas.com/company/w-r-grace

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]
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