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Patents

EPD’s vast experience in power system design uniquely positions us to provide actionable insights, information and innovations that other firms simply cannot offer. We hold a number of patents in power system design and application, and we approach every project with an eye for creating efficiencies that enhance strengths and minimize weaknesses.

2019
U.S. PATENT
System and method for controlling a jack up vessel
John Bradford Janik
John Norwood
# 10190278
2019
U.S. PATENT
Inter-island power transmission system and method
John Bradford Janik
# 10199824
2019
U.S. PATENT
Hybrid cooling system having a freon heat exchanger
Brent Baker
Charles Sutherland
# 10455746
2018
U.S. PATENT
Hybrid winch with controlled release and torque impulse generation control for anchor handling offshore
Charles Sutherland
John Bradford Janik
# 9923370
2018
U.S. PATENT
Hybrid Cooling System
Charles Sutherland
Brent Baker
# 9927165
2018
U.S. PATENT
Method and apparatus for retrofitting a pedestal crane
Berry Justin Rowden
# 9938119
2018
U.S. PATENT
Variable resistance door stay apparatus
Steve Bishop
# 10196844
2018
U.S. PATENT
System and method for energy management using linear programming
John Bradford Janik
# 10337424
2017
U.S. PATENT
Hybrid winch with controlled release and torque impulse generation control for anchor handling offshore
John Bradford Janik
# 9676453
2017
U.S. PATENT
Phase shifted polygon forked wye transformer
John Bradford Janik
Mark Bishop
# 9742308
2017
U.S. PATENT
Hybrid winch with controlled release and torque impulse generation control for anchor handling offshore
John Bradford Janik
# 9802679
2016
U.S. PATENT
Hybrid winch with controlled release and torque umpulse generation control for anchor handling offshore
John Bradford Janik
# 9365265
2016
U.S. PATENT
System and method for reducing harmonic distortion
John Bradford Janik
Charles Sutherland
# 9401605
2016
U.S. PATENT
Method and apparatus for an emergency lowering kit
Charles Sutherland
# 9409752
2013
U.S. PATENT
Method and apparatus for resistive power distribution
John Bradford Janik
# 8368246
2013
U.S. PATENT
Apparatus and method for a shielding a pile
Darla Dubose
# 8596920
2013
U.S. PATENT
System and method for supplying sea water during fire fighting operations on a naval vessel
John Bradford Janik
# 8602117
2010
U.S. PATENT
Method and apparatus for resistive power distribution
John Bradford Janik
# 7804190
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