Fred D. Lang — 25 Patents at Exergetic Systems

Fred D. Lang has been granted 25 US patents while listed as an inventor at Exergetic Systems. The first was granted in 1994 and the most recent in September 2025. Fred D. Lang ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Fred D. Lang in Spillars Cove, NL, CA.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12417856	Apparatus for thermal performance monitoring and safe operation of a nuclear power plant	—	2025-09-16
12198822	Method for thermal performance monitoring of a nuclear power plant using the NCV method	—	2025-01-14
8091361	Method and apparatus for controlling the final feedwater temperature of a regenerative Rankine cycle using an exergetic heater system	—	2012-01-10
7809526	Apparatus for the determination and evaluation of coal chemistry based on the genetics of fossil fuels	—	2010-10-05
7504260	Method and apparatus for controlling gas temperatures associated with pollution reduction processes	—	2009-03-17
7328132	Input/Loss Method using the genetics of fossil fuels for determining fuel chemistry, calorific value and performance of a fossil-fired power plant	—	2008-02-05
7300235	Key duplicating machine	Grigory Gimelfarb, George Buchinger	2007-11-27
7040095	Method and apparatus for controlling the final feedwater temperature of a regenerative rankine cycle	—	2006-05-09
7039555	Method for detecting heat exchanger tube failures and their location when using input/loss performance monitoring of a recovery boiler	—	2006-05-02
6873933	Method and apparatus for analyzing coal containing carbon dioxide producing mineral matter as effecting input/loss performance monitoring of a power plant	—	2005-03-29
6868368	Method for improving the control of power plants when using input/loss performance monitoring	—	2005-03-15
6824650	Fibrous materials treated with a polyvinylamine polymer	Jeff Lindsay, Tom G. Shannon, Mike Thomas Goulet, Mike Lostocco, Troy Runge +5 more	2004-11-30	$20,985,000
6810358	Method to synchronize data when used for input/loss performance monitoring of a power plant	Gary Hoenig	2004-10-26
6799146	Method for remote on-line advisory diagnostics and dynamic heat rate when used for input/loss performance monitoring of a power plant	—	2004-09-28
6745152	Method for detecting heat exchanger tube failures when using input/loss performance monitoring of a power plant	—	2004-06-01
6714877	Method for correcting combustion effluent data when used for input-loss performance monitoring of a power plant	—	2004-03-30
6691054	F factor method for determining heat rate and emission rates of a fossil-fired system	—	2004-02-10
6651035	Method for detecting heat exchanger tube failures and their location when using input/loss performance monitoring of a power plant	—	2003-11-18
6584429	Input/loss method for determining boiler efficiency of a fossil-fired system	—	2003-06-24
6560563	L factor method for determining heat rate of a fossil fired system based on effluent flow	—	2003-05-06
6522994	Input/loss method for determining fuel flow, chemistry, heating value and performance of a fossil-fired system	—	2003-02-18
5790420	Methods and systems for improving thermal efficiency, determining effluent flows and for determining fuel mass flow rates of a fossil fuel fired system	—	1998-08-04
5367470	Method for fuel flow determination and improving thermal efficiency in a fossil-fired power plant	—	1994-11-22
5327356	Emissions spectral radiometer/fuel flow instrument	Steven K. Petrie, Arnaldo G. Dall'Era	1994-07-05
5306209	Contaminant shield for viewing ports	—	1994-04-26

Fred D. Lang — 25 Patents

Issued Patents All Time

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