DK

DOUGLAS W. KARKOW

CC Clearsign Combustion: 30 patents #4 of 24Top 20%
CT Clearsign Technologies: 18 patents #2 of 20Top 10%
Overall (All Time): #57,786 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 25 most recent of 48 patents

Patent #TitleCo-InventorsDate
12359804 Burner system with discrete transverse flame stabilizers Venkatesh Iyer, COLIN JAMES DELLER, Jeff Lewallen, Donald Kendrick, JAMES K. DANSIE 2025-07-15
12066248 Burner system including a plurality of perforated flame holders JAMES K. DANSIE, Venkatesh Iyer, Donald Kendrick, COLIN JAMES DELLER, Christopher A. Wiklof 2024-08-20
11953201 Control system and method for a burner with a distal flame holder Donald Kendrick, JAMES K. DANSIE, Christopher A. Wiklof 2024-04-09
11953199 Burner and burner system with flange mount JAMES K. DANSIE, JESSE DUMAS, Donald Kendrick, Sunny Karnani, Christopher A. Wiklof 2024-04-09
11473774 Methods of upgrading a conventional combustion system to include a perforated flame holder JOSEPH COLANNINO, Christopher A. Wiklof 2022-10-18
11460188 Ultra low emissions firetube boiler burner Donald Kendrick, Venkatesh Iyer, JAMES K. DANSIE, JONATHAN BUCHER, AARON SALZBRUN 2022-10-04
11435143 Burner system with discrete transverse flame stabilizers Donald Kendrick, James K. Danise, Christopher A. Wiklof 2022-09-06
11313553 Plug and play burner JAMES K. DANSIE, JESSE DUMAS, Donald Kendrick, Sunny Karnani, Christopher A. Wiklof 2022-04-26
11248786 Method for a perforated flame holder with adjustable fuel nozzle JOSEPH COLANNINO, JAMES K. DANSIE, JESSE DUMAS, Donald Kendrick, Christopher A. Wiklof 2022-02-15
11221137 Field installed perforated flame holder and method of assembly and installation JONATHAN BUCHER, Donald Kendrick, JAMES K. DANSIE 2022-01-11
11156356 Fuel combustion system with a perforated reaction holder Robert E. Breidenthal, JOSEPH COLANNINO, Christopher A. Wiklof 2021-10-26
11047572 Porous flame holder for low NOx combustion JOSEPH COLANNINO, Robert E. Breidenthal, Christopher A. Wiklof 2021-06-29
10823401 Burner system including a non-planar perforated flame holder JOSEPH COLANNINO, JAMES K. DANSIE, Christopher A. Wiklof 2020-11-03
10808925 Method for electrically controlled combustion fluid flow Christopher A. Wiklof 2020-10-20
10808927 Pre-mixed fuel burner with perforated flame holder JOSEPH COLANNINO, Robert E. Breidenthal, Christopher A. Wiklof 2020-10-20
10801723 Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system JOSEPH COLANNINO, Christopher A. Wiklof 2020-10-13
10760784 Burner including a perforated flame holder spaced away from a fuel nozzle JOSEPH COLANNINO, Igor A. Krichtafovitch, Robert E. Breidenthal, Christopher A. Wiklof 2020-09-01
10578301 Perforated flame holder with adjustable fuel nozzle JOSEPH COLANNINO, JAMES K. DANSIE, JESSE DUMAS, Donald Kendrick, Christopher A. Wiklof 2020-03-03
10571124 Selectable dilution low NOx burner JAMES K. DANSIE, JESSE DUMAS, Donald Kendrick, Igor A. Krichtafovitch, JOSEPH COLANNINO +1 more 2020-02-25
10551058 Multi-nozzle combustion assemblies including perforated flame holder, combustion systems including the combustion assemblies, and related methods Jerry M. Lang, Donald Kendrick, JAMES K. DANSIE, Terry Lynn Montgomery, JESSE DUMAS +1 more 2020-02-04
10539326 Duplex burner with velocity-compensated mesh and thickness Robert E. Breidenthal, JOSEPH COLANNINO, Christopher A. Wiklof 2020-01-21
10514165 Perforated flame holder and system including protection from abrasive or corrosive fuel JOSEPH COLANNINO, JAMES K. DANSIE, JESSE DUMAS, Christopher A. Wiklof 2019-12-24
10458649 Horizontally fired burner with a perforated flame holder JOSEPH COLANNINO, Igor A. Krichtafovitch, Christopher A. Wiklof 2019-10-29
10386062 Method for operating a combustion system including a perforated flame holder JOSEPH COLANNINO, Christopher A. Wiklof 2019-08-20
10359213 Method for low NOx fire tube boiler JOSEPH COLANNINO, Igor A. Krichtafovitch, Robert E. Breidenthal, Christopher A. Wiklof 2019-07-23