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For the Inventor, By the Inventor

Sandton, South Africa

Technology Finance Corporation (Proprietary) Limited

USPTO Granted Patents = 23

% Expired Patents = 39.1

Forward Citations = 767

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22 inventors (with patents filed for the assignee):

goldMedal Michael M Thackeray (11 out of 20 patents)

silverMedal Rosalind J Gummow (9 out of 10 patents)

bronzeMedal Ernest E Ferg (7 out of 7 patents)

4.  Mathys Johannes Rossouw (2 out of 4 patents)

5.  Paul Fritz Fuls (2 out of 2 patents)

6.  Margaretha H Rossouw (2 out of 3 patents)

7.  Richard G Batson (2 out of 3 patents)

8.  Michael Edward Thomas (1 out of 2 patents)

9.  Paul Wilhelm Richter (1 out of 2 patents)

10.  Bartolomomeus Johannes Le Roux Cilliers (1 out of 1 patent)

11.  Roelof Grove Blignaut (1 out of 1 patent)

12.  André Keith Joubert (1 out of 1 patent)

13.  Diederik Arnoldis Kapp (1 out of 1 patent)

14.  Johann Daniel Le Roux (1 out of 1 patent)

15.  Andre Keith Joubert (1 out of 1 patent)


23 patents:

1. 7964310 - Electrochemical cell (2011-06-21),
2. 7855016 - Electrochemical cell (2010-12-21),
3. 7838149 - Electrochemical cell (2010-11-23),
4. 7824804 - Electrochemical cell (2010-11-02),
5. 7722990 - Electrochemical cell (2010-05-25),
6. 7556890 - Electrochemical cell (2009-07-07),
7. 7452630 - Electrochemical cell (2008-11-18),
8. 6858041 - Implant including a body of non-resorbable bioactive material (2005-02-22),
9. 6745621 - Measuring twist due to torque in a ratating shaft (2004-06-08),
10. 6575308 - Filtration system suitable for microfiltration, ultrafiltration or reverse osmosis (2003-06-10),
11. 6462320 - Dielectric heating device employing microwave heating for heating or cooking substances (2002-10-08),
12. 6396037 - Dielectric heating device (2002-05-28),
13. 5824957 - Electrical cable containment (1998-10-20),
14. 5658693 - Manganese dioxide-based material (1997-08-19),
15. 5549827 - Process for treating a suspension of solid particles in a carrier liquid (1996-08-27),
Company Overview
Technology Finance Corporation (Proprietary) Limited is a South African firm based in Sandton, specializing in the development and financing of innovative technology solutions. The company focuses on various sectors, including information technology, telecommunications, and renewable energy, aiming to support advancements that drive efficiency and sustainability. By leveraging strategic partnerships and expertise, it seeks to foster growth in the technology landscape, contributing to the broader economic development in the region.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

23 Patents

#1 in Sandton

#14 in South Africa

#27,714 in the World

Sandton, ZA
Sandton, South Africa

Technology Finance Corporation (Proprietary) Limited

Forward Citations = 767

22 inventors:

goldMedal Michael M Thackeray (11 out of 20 patents)

silverMedal Rosalind J Gummow (9 out of 10 patents)

bronzeMedal Ernest E Ferg (7 out of 7 patents)

4.  Mathys Johannes Rossouw (2 out of 4 patents)

5.  Paul Fritz Fuls (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Technology Finance Corporation (Proprietary) Limited. Retrieved from https://idiyas.com/company/technology-finance-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]
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