Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
NJ

Narendra Digamber Joshi — 123 Patents

GE: 119 patents #30 of 36,430Top 1%
PIPrutech Ii: 4 patents #2 of 3Top 70%
Niskayuna, NY: #11 of 949 inventorsTop 2%
New York: #360 of 115,490 inventorsTop 1%
Overall (All Time): #9,434 of 4,157,543Top 1%
123 Patents All Time

Issued Patents All Time

Showing 101–123 of 123 patents

Patent #TitleCo-InventorsDate
6460340 Fuel nozzle for gas turbine engine and method of assembling Claude Henry Chauvette 2002-10-08
6449953 Methods for reducing gas turbine engine emissions Richard Hook, M. Waseem Adhami 2002-09-17
6195607 Method and apparatus for optimizing NOx emissions in a gas turbine Ravi Rajamani, George Charles Goodman, Richard Hook 2001-02-27
6141967 Air fuel mixer for gas turbine combustor Paul R. Angel, James M. Caldwell, Steven Marakovits, Kelley A. Foresman, Steven G. Goebel +1 more 2000-11-07
6050082 Intercooled gas turbine engine with integral air bottoming cycle Gary L. Leonard 2000-04-18
5865024 Dual fuel mixer for gas turbine combustor Eric John Kress 1999-02-02
5816049 Dual fuel mixer for gas turbine combustor 1998-10-06
5778676 Dual fuel mixer for gas turbine combustor Paul R. Angel, James M. Caldwell, Paul V. Heberling, Anthony John Dean 1998-07-14
5680766 Dual fuel mixer for gas turbine combustor Paul R. Angel, James M. Caldwell, Paul V. Heberling, Anthony John Dean 1997-10-28
5675971 Dual fuel mixer for gas turbine combustor Paul R. Angel, James M. Caldwell, Paul V. Heberling, Anthony John Dean 1997-10-14
5638682 Air fuel mixer for gas turbine combustor having slots at downstream end of mixing duct Michael Jay Epstein 1997-06-17
5613363 Air fuel mixer for gas turbine combustor Michael Jay Epstein, Michael E. Ewbank 1997-03-25
5596873 Gas turbine combustor with a plurality of circumferentially spaced pre-mixers John Michael Koshoffer 1997-01-28
5590529 Air fuel mixer for gas turbine combustor Michael Jay Epstein, Michael E. Ewbank 1997-01-07
5511375 Dual fuel mixer for gas turbine combustor Edward E. Ekstedt 1996-04-30
5351477 Dual fuel mixer for gas turbine combustor Eric John Kress 1994-10-04
5323604 Triple annular combustor for gas turbine engine Edward E. Ekstedt, Adrian M. Ablett, Timothy R. Gresla, John Michael Koshoffer, William F. Burke 1994-06-28
5251447 Air fuel mixer for gas turbine combustor Edward E. Ekstedt, Michael Jay Epstein 1993-10-12
5165241 Air fuel mixer for gas turbine combustor Edward E. Ekstedt 1992-11-24
4928481 Staged low NOx premix gas turbine combustor Frederick E. Moreno 1990-05-29
4912931 Staged low NO.sub.x gas turbine combustor Frederick E. Moreno, Creighton D. Hartman 1990-04-03
4910957 Staged lean premix low nox hot wall gas turbine combustor with improved turndown capability Frederick E. Moreno 1990-03-27
4860533 Torch igniter for a combustor having U.V. flame detection 1989-08-29