Debeers Industrial Diamond Division (Proprietary) Limited

Calculating rank

USPTO Granted Patents = 4

Forward Citations = 92

Loading Chart...

8 inventors (with patents filed for the assignee):

Klaus Tank (2 out of 45 patents)

Tom L Nam (1 out of 9 patents)

Rex J Keddy (1 out of 10 patents)

4. Barbara L Jones (1 out of 1 patent)

5. Colin Andrew (1 out of 1 patent)

6. Trevor D Howes (1 out of 1 patent)

7. Brian J Stone (1 out of 1 patent)

8. John S Sexton (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 5216249 - Diamond neutron detector (1993-06-01),

2. 5161335 - Abrasive body (1992-11-10),

3. 4679858 - Mining machine cutter pick insert (1987-07-14),

4. 4549372 - Grinding wheel (1985-10-29),

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

4 Patents

#23 in Johannesburg

#95 in South Africa

Johannesburg, South Africa

Debeers Industrial Diamond Division (Proprietary) Limited

Forward Citations = 92

8 inventors:

Klaus Tank (2 out of 45 patents)

Tom L Nam (1 out of 9 patents)

Rex J Keddy (1 out of 10 patents)

4. Barbara L Jones (1 out of 1 patent)

5. Colin Andrew (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Debeers Industrial Diamond Division (Proprietary) Limited. Retrieved from https://idiyas.com/company/debeers-industrial-diamond-division-proprietary

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]