Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SJ

Steven Douglas Johnson — 58 Patents

GE: 42 patents #379 of 36,430Top 2%
IBM: 15 patents #7,470 of 70,183Top 15%
CVCook Paint And Varnish: 2 patents #3 of 10Top 30%
Milford, OH: #8 of 263 inventorsTop 4%
Ohio: #558 of 73,341 inventorsTop 1%
Overall (All Time): #41,319 of 4,157,543Top 1%
58 Patents All Time
Steven Douglas Johnson has been granted 58 US patents while listed as an inventor at GE. The first was granted in 1980 and the most recent in November 2025. Steven Douglas Johnson ranks #41,319 of 4,157,543 US inventors in our database (top 0.99%). Patent records list Steven Douglas Johnson in Milford, OH, US.

Patents per Year

Patents granted per year, 1980 to 2025Bar chart with a peak of 15 patents in 2025.peak 151980: 1 patents19801983: 1 patents1995: 1 patents1998: 1 patents19981999: 1 patents2000: 1 patents2001: 1 patents20012002: 1 patents2007: 1 patents2008: 2 patents20082009: 1 patents2010: 2 patents2011: 1 patents20112013: 2 patents2019: 2 patents2020: 4 patents20202021: 3 patents2022: 3 patents2023: 6 patents20232024: 8 patents2025: 15 patents2025

Issued Patents All Time

Showing 1–25 of 58 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12460552 Sealing system for a turbomachine Grant Robert Portune 2025-11-04
12428969 Seal assembly for a gas turbine engine Prateek Jalan, Rajesh Kumar, Tajinder Singh, Alok Kumar, Lucas Parisot +1 more 2025-09-30
12416261 Gas turbine engine Brandon Wayne Miller, Andrew Hudecki, Eric Barre, John Carl Glessner, Efren Souza Chavez 2025-09-16
12410724 Gas turbine engine with inertially damped seals Uttara Vijay Kumar, Deepak Trivedi, Rahul Anil Bidkar 2025-09-09
12404778 Turbine engine with a rotor seal assembly Kevin Randall McManus, Rahul Anil Bidkar 2025-09-02
12398671 Compressor assembly for a gas turbine engine having multi-stage bleed extraction Kudum Shinde, Mohan Kannaiah Raju, Hrishi Ragesh, Ton Thu Lang Giang 2025-08-26
12366172 Seal assembly for a rotary machine having a flexible joint Uttara Vijay Kumar, Rahul Anil Bidkar, Jonathan Russell Ratzlaff, Prateek Jalan, Ravindra Shankar Ganiger 2025-07-22
12359621 Thermal management system for a gas turbine engine Jonathan Russell Ratzlaff 2025-07-15
12305535 Turbine engine having a compressor with an inducer Antonio Guijarro Valencia, Scott Alan Schimmels 2025-05-20
12292000 Thermal management systems having an oil tank comprising solid-solid phase change material for gas turbine engines Chirag Kataria, Sanjay Vijayaraghavan, Paul Joseph Kreitzer 2025-05-06
12291997 Variable area turbine nozzle assembly Scott Alan Schimmels, Craig Alan Gonyou, Paul Hadley Vitt 2025-05-06
12281850 Multi-fluid heat exchanger Nicholas M. Daggett, Anand P. Roday, Scott Alan Schimmels 2025-04-22
12270304 Turbine engine with a floating seal assembly Rahul Anil Bidkar, Uttara Vijay Kumar, Randy Thomas Antelo, Keith William Gary 2025-04-08
12241372 Seal assembly for a rotor shaft of a gas turbine Grant Robert Portune, Bryan Jung Woo Hong, Prateek Jalan, Ravindra Shankar Ganiger, Narendra Anand Hardikar +1 more 2025-03-04
12241375 Seal support assembly for a turbine engine Ravindra Shankar Ganiger, David Raju Yamarthi, Chandrashekhar Kandukuri, Deepak Trivedi, Narendra Anand Hardikar +9 more 2025-03-04
12140034 Turbine engine with a rotor seal retraction mechanism David Raju Yamarthi, Prateek Jalan, Grant Robert Portune, Mark L. Hopper, Richard Alan Wesling +1 more 2024-11-12 $50,785,000
12123350 Three-stream engine having a heat exchanger Daniel Alan Niergarth, Nicholas M. Daggett, Anand P. Roday, Scott Alan Schimmels 2024-10-22 $51,154,000
12116896 Seal support assembly for a turbine engine Grant Robert Portune, Mallikarjun Metri, Ajith Jogi, Pratish Patil, Nageswar Ganji +6 more 2024-10-15 $76,926,000
12000296 Seal for a rotor Neelesh Nandkumar Sarawate 2024-06-04 $51,206,000
11988096 Seal assemblies for turbine engines and related methods Ravindra Shankar Ganiger, Neelesh Nandkumar Sarawate, Rahul Anil Bidkar, Narendra Anand Hardikar, Kevin Randall McManus +5 more 2024-05-21 $69,378,000
11976562 System for controlling blade clearances within a gas turbine engine Julius John Montgomery, Brandon Wayne Miller, Robert Proctor, Bradley Willis Fintel, Jeffrey Douglas Rambo 2024-05-07 $95,337,000
11965697 Multi-fluid heat exchanger Nicholas M. Daggett, Anand P. Roday, Scott Alan Schimmels 2024-04-23 $75,250,000
11920500 Passive flow modulation device Yu-Liang Lin, Craig Alan Gonyou, Scott Alan Schimmels, Jeffrey Douglas Rambo, Brian Gregg Feie 2024-03-05 $42,461,000
11821320 Turbine engine with a rotor seal assembly Kevin Randall McManus, Rahul Anil Bidkar 2023-11-21 $42,059,000
11788469 Thermal management system for a gas turbine engine Jonathan Russell Ratzlaff 2023-10-17 $21,964,000