Inventor · disambiguated record
Steven Douglas Johnson
Also filed as: JOHNSON STEVEN D · JOHNSON STEVEN DOUGLAS
58 granted patents·15 pending applications·346 citations·filing 1978–2025
98Inventor score
Top patents by PatentIndex Score
73 records- 0198US11047481B2Seal assembly for a rotary machineGEN ELECTRIC·Filed 2019·Granted Jun 29, 2021·24 cites·20 claims
- 0297US10208676B2Gas turbine engine dual sealing cylindrical variable bleed valveGEN ELECTRIC·Filed 2016·Granted Feb 19, 2019·25 cites·26 claims
- 0395US11674405B2Abradable insert with lattice structureGEN ELECTRIC·Filed 2021·Granted Jun 13, 2023·3 cites·18 claims
- 0495US10774874B2Fluid bearing assemblyGEN ELECTRIC·Filed 2018·Granted Sep 15, 2020·11 cites·20 claims
- 0594US10781709B2Turbine engine with a sealGEN ELECTRIC·Filed 2018·Granted Sep 22, 2020·9 cites·17 claims
- 0689US11821320B2Turbine engine with a rotor seal assemblyGEN ELECTRIC·Filed 2021·Granted Nov 21, 2023·2 cites·20 claims
- 0786US12428969B1Seal assembly for a gas turbine engineGEN ELECTRIC·Filed 2024·Granted Sep 30, 2025·1 cites·20 claims
- 0886US11692448B1Passive valve assembly for a nozzle of a gas turbine engineGEN ELECTRIC·Filed 2022·Granted Jul 4, 2023·1 cites·20 claims
- 0986US5710676APre-formatting of a storage media having fixed-size partitionsIBM·Filed 1996·Granted Jan 20, 1998·48 cites·53 claims
- 1086US2025314203A1Thermal management system for a gas turbine engineGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 1185US12241372B2Seal assembly for a rotor shaft of a gas turbineGEN ELECTRIC·Filed 2023·Granted Mar 4, 2025·1 cites·9 claims
- 1285US12116896B1Seal support assembly for a turbine engineGEN ELECTRIC·Filed 2023·Granted Oct 15, 2024·2 cites·15 claims
- 1384US12281850B2Multi-fluid heat exchangerGEN ELECTRIC·Filed 2024·Granted Apr 22, 2025·0 cites·20 claims
- 1484US10895324B2Aspirating face seal assembly for a rotary machineGEN ELECTRIC·Filed 2018·Granted Jan 19, 2021·4 cites·20 claims
- 1583US6172833B1Retrieval of serpentine pattern data using a memory device of a tape cartridgeIBM·Filed 1998·Granted Jan 9, 2001·39 cites·22 claims
- 1681US12291997B1Variable area turbine nozzle assemblyGEN ELECTRIC·Filed 2024·Granted May 6, 2025·0 cites·19 claims
- 1781US11073091B2Gas turbine engine with integrated air cycle machineGEN ELECTRIC·Filed 2018·Granted Jul 27, 2021·2 cites·16 claims
- 1881US5969893ATape pre-formatting with uniform data storage segments selectively mapped to fixed or variable sized independently addressable data storage partitionsIBM·Filed 1997·Granted Oct 19, 1999·35 cites·25 claims
- 1981US2025334073A1Variable area turbine nozzle assemblyGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 2081US2025334072A1Variable area turbine nozzle assemblyGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 2180US12359621B2Thermal management system for a gas turbine engineGEN ELECTRIC·Filed 2023·Granted Jul 15, 2025·0 cites·14 claims
- 2280US10415897B2Monolithic tube-in matrix heat exchangerGEN ELECTRIC·Filed 2014·Granted Sep 17, 2019·3 cites·21 claims
- 2380US6349356B2Host-available device block map for optimized file retrieval from serpentine tape drivesIBM·Filed 1997·Granted Feb 19, 2002·35 cites·34 claims
- 2479US11300368B2Monolithic tube-in matrix heat exchangerGEN ELECTRIC·Filed 2019·Granted Apr 12, 2022·2 cites·20 claims
- 2577US10544702B2Method and apparatus for supplying cooling air to a turbineGEN ELECTRIC·Filed 2017·Granted Jan 28, 2020·2 cites·18 claims
- 2676US12460552B1Sealing system for a turbomachineGEN ELECTRIC·Filed 2024·Granted Nov 4, 2025·0 cites·15 claims
- 2775US12404778B2Turbine engine with a rotor seal assemblyGEN ELECTRIC·Filed 2023·Granted Sep 2, 2025·0 cites·18 claims
- 2873US2024200463A1Passive flow modulation deviceGEN ELECTRIC·Filed 2024·Application pending·0 cites
- 2972US11976562B2System for controlling blade clearances within a gas turbine engineGEN ELECTRIC·Filed 2023·Granted May 7, 2024·0 cites·20 claims
- 3072US4224213ASingle package inorganic zinc rich paints having a silicate and titanate ester copolymer binderCOOK PAINT & VARNISH CO·Filed 1978·Granted Sep 23, 1980·19 cites·6 claims
- 3172US2025243771A1Seal assembly for a rotor shaft of a gas turbineGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 3271US11965697B2Multi-fluid heat exchangerGEN ELECTRIC·Filed 2021·Granted Apr 23, 2024·0 cites·18 claims
- 3370US12410724B1Gas turbine engine with inertially damped sealsGEN ELECTRIC·Filed 2024·Granted Sep 9, 2025·0 cites·17 claims
- 3470US12366172B1Seal assembly for a rotary machine having a flexible jointGEN ELECTRIC·Filed 2024·Granted Jul 22, 2025·0 cites·20 claims
- 3570US7266815B2Automated control of a licensed internal code update on a storage controllerIBM·Filed 2003·Granted Sep 4, 2007·16 cites·14 claims
- 3668US11920500B2Passive flow modulation deviceGEN ELECTRIC·Filed 2021·Granted Mar 5, 2024·0 cites·12 claims
- 3768US2025215805A1Floating seal assembly for a turbine engineGEN ELECTRIC·Filed 2025·Application pending·0 cites
- 3867US4379857AInsulation compositionCOOK PAINT & VARNISH CO·Filed 1981·Granted Apr 12, 1983·24 cites·14 claims
- 3966US12292000B1Thermal management systems having an oil tank comprising solid-solid phase change material for gas turbine enginesGEN ELECTRIC·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 4066US11788469B2Thermal management system for a gas turbine engineGEN ELECTRIC·Filed 2020·Granted Oct 17, 2023·0 cites·11 claims
- 4166US2021310422A1Gas turbine engine with integrated air cycle machineGEN ELECTRIC·Filed 2021·Application pending·0 cites
- 4264US12270304B2Turbine engine with a floating seal assemblyGEN ELECTRIC·Filed 2021·Granted Apr 8, 2025·0 cites·20 claims
- 4363US12140034B2Turbine engine with a rotor seal retraction mechanismGEN ELECTRIC·Filed 2023·Granted Nov 12, 2024·0 cites·20 claims
- 4463US11391176B2Method and apparatus for supplying cooling air to a turbineGEN ELECTRIC·Filed 2019·Granted Jul 19, 2022·0 cites·18 claims
- 4563US8365159B2Apparatus and method to update code in an information storage and retrieval system while that system remains in normal operationIBM·Filed 2008·Granted Jan 29, 2013·2 cites·16 claims
- 4663US7392420B2Automated error recovery of a licensed internal code update on a storage controllerIBM·Filed 2003·Granted Jun 24, 2008·9 cites·4 claims
- 4761US2022213802A1System for controlling blade clearances within a gas turbine engineGEN ELECTRIC·Filed 2021·Application pending·0 cites
- 4858US11732592B2Method of cooling a turbine bladeGEN ELECTRIC·Filed 2021·Granted Aug 22, 2023·0 cites·19 claims
- 4958US7747573B2Updating elements in a data storage facility using a predefined state machine, with serial activationIBM·Filed 2004·Granted Jun 29, 2010·7 cites·9 claims
- 5056US5475542AMethod and apparatus for improving inter-block gap length tolerance and locate accuracy for write appendsIBM·Filed 1994·Granted Dec 12, 1995·11 cites·18 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →