Growing community of inventors

San Rafael, CA, United States of America

Fred D Lang

Average Co-Inventor Count = 1.06

ph-index = 12

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 325

Fred D LangGary Hoenig (1 patent)Fred D LangSteven K Petrie (1 patent)Fred D LangArnaldo G Dall'Era (1 patent)Fred D LangFred D Lang (21 patents)Gary HoenigGary Hoenig (1 patent)Steven K PetrieSteven K Petrie (1 patent)Arnaldo G Dall'EraArnaldo G Dall'Era (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Exergetic Systems, LLC (15 from 15 patents)

2. Other (4 from 832,761 patents)

3. Wahlco Environmental Systems, Inc. (1 from 6 patents)

4. Exergetics Systems, Inc. (1 from 1 patent)


21 patents:

1. 8091361 - Method and apparatus for controlling the final feedwater temperature of a regenerative Rankine cycle using an exergetic heater system

2. 7809526 - Apparatus for the determination and evaluation of coal chemistry based on the genetics of fossil fuels

3. 7504260 - Method and apparatus for controlling gas temperatures associated with pollution reduction processes

4. 7328132 - Input/Loss Method using the genetics of fossil fuels for determining fuel chemistry, calorific value and performance of a fossil-fired power plant

5. 7040095 - Method and apparatus for controlling the final feedwater temperature of a regenerative rankine cycle

6. 7039555 - Method for detecting heat exchanger tube failures and their location when using input/loss performance monitoring of a recovery boiler

7. 6873933 - Method and apparatus for analyzing coal containing carbon dioxide producing mineral matter as effecting input/loss performance monitoring of a power plant

8. 6868368 - Method for improving the control of power plants when using input/loss performance monitoring

9. 6810358 - Method to synchronize data when used for input/loss performance monitoring of a power plant

10. 6799146 - Method for remote on-line advisory diagnostics and dynamic heat rate when used for input/loss performance monitoring of a power plant

11. 6745152 - Method for detecting heat exchanger tube failures when using input/loss performance monitoring of a power plant

12. 6714877 - Method for correcting combustion effluent data when used for input-loss performance monitoring of a power plant

13. 6691054 - F factor method for determining heat rate and emission rates of a fossil-fired system

14. 6651035 - Method for detecting heat exchanger tube failures and their location when using input/loss performance monitoring of a power plant

15. 6584429 - Input/loss method for determining boiler efficiency of a fossil-fired system

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as of
12/17/2025
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