DC

David Robert Coulson

CL Cambridge Semiconductor Limited: 11 patents #5 of 26Top 20%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
GL Graseby Medical Limited: 1 patents #2 of 8Top 25%
Overall (All Time): #229,372 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12341416 Controller for power converter Russell Jacques, Niek Van Der Duijn Schouten 2025-06-24
12273019 Controller for a power converter having an inverter frequency controlled by a switch control signal Russell Jacques, Niek Van Der Duijn Schouten 2025-04-08
11309790 Power converter circuit Russell Jacques 2022-04-19
10658932 Power control circuit Russell Jacques, Niek Van Der Duijn Schouten 2020-05-19
10396669 Power converter measuring the average rectified primary current Russell Jacques, Nicolaas van der Duijn Schouten 2019-08-27
10103631 Power converter circuit and method thereof Russell Jacques 2018-10-16
9647567 Regulating controller for controlled self-oscillating converters using bipolar junction transistors Russell Jacques, Nicolaas van der Duijn Schouten 2017-05-09
8446746 Switch mode power supply controller with feedback signal decay sensing Johan Piper, David M. Garner 2013-05-21
8415832 Cable compensation David M. Garner, Johan Piper 2013-04-09
7944722 Switch mode power supply controller with feedback signal decay sensing Johan Piper, David M. Garner 2011-05-17
7782083 Trimming circuits and methods Vinod A. Lalithambika, David M. Garner, Zahid Ansari 2010-08-24
7738266 Forward power converter controllers Russell Jacques 2010-06-15
7583519 Switch mode power supply systems Johan Piper, David M. Garner 2009-09-01
7570497 Discontinuous quasi-resonant forward converter Russell Jacques 2009-08-04
7567445 Switch mode power supply controllers Johan Piper, David M. Garner 2009-07-28
7504815 Switch mode power supply control systems Philip Moyse, Russell Jacques, David M. Garner 2009-03-17
7447049 Single ended flyback power supply controllers with integrator to integrate the difference between feedback signal a reference signal David M. Garner, Devarahandi Indika Mahesh de Silva, Jayaraman Kumar, Vinod A. Lalithambika 2008-11-04
7342812 Switch mode power supply systems Johan Piper, David M. Garner 2008-03-11
5807322 Pumping and pressure detection using flexible tubes Michael John Lindsey 1998-09-15