JD

John Dewar

SB Swellfix B.V.: 4 patents #1 of 14Top 8%
Shell Oil Compny: 2 patents #1,477 of 4,423Top 35%
TI Tricon Industries, Incorporated: 1 patents #5 of 17Top 30%
UA University Of South Africa: 1 patents #2 of 18Top 15%
Overall (All Time): #627,858 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11518969 Waste beer recovery Steven Craig Groeneveld 2022-12-06
9732578 Downhole sealing assembly with swellable seal Graeme McRobb 2017-08-15
8833473 Sealing assembly Graeme McRobb 2014-09-16
8727027 Downhole seal Paul Dirk Schilte, Arie Vliegenthart 2014-05-20
8025102 Wellbore delivery apparatus 2011-09-27
7578347 Method of sealing an annular space in a wellbore Martin Bosma, Erik Kerst Cornelissen 2009-08-25
7546886 Method of creating a borehole in an earth formation Scott A. Benzie, Andrei Gregory Filippov, Paul Dirk Schilte 2009-06-16
5531505 Head restraint for passenger vehicles Robert J. Baetz, Douglas K. Dunsmore, Christopher Harbowy, Dennis A. Majewski, Louis M. Shawbitz +1 more 1996-07-02