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USPTO Data Jan 1 1976 - Dec 16 2025
1 Patents
#8 in Gauteng
#334 in South Africa
Drilling Technical Services (pty) Ltd
Forward Citations = 0
4 inventors:
Drilling Technical Services (pty) Ltd
EPO Patents = 1
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Barend Jacobus Jordaan (1 out of 4 patents)
Gerhard Pretorius (1 out of 1 patent)
Johannes Nicolaas Jacobus Calitz (1 out of 1 patent)
4. Williem Hermanus Roothman (1 out of 1 patent)
5. Willem Hermanus Roothman (0 patent)
1 patent:
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Please report any incorrect information to support@idiyas.com
1 patent (EPO):
Please report any incorrect information to support@idiyas.com