Inventor

Glenn C. Lemmers, Jr.

Inventor

Loves Park, IL, US

Overview

2009–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 113 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Kprimary

H02KDynamo-electric machines18%

F02CGas-turbine plants13%

F16HGearing12%

Y10TTechnical subjects covered by former us classification9%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants9%

F04BPositive-displacement machines for liquids5%

F16CShafts4%

F16DCouplings for transmitting rotation4%

B64DEquipment for fitting in or to aircraft3%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

PatentTitleYear

11,098,654Hydraulic unit gear shrouds2021 11,060,449Integrated turbo-compressor with variable gear ratio transmission for internal combustion engine2021 11,054,012Generator driven gear for integrated drive generator2021 11,038,403Rotary electric machines and methods of cooling rotary electric machines2021 11,038,389Rotor end plate2021 11,028,780Hydraulic unit gear shrouds2021 11,031,845Pressure relief systems for generators2021 11,025,115Rotor assembly and method of cooling2021 11,002,258Port plate for integrated drive generator2021 10,975,980Governor flyweight assemblies2021 10,962,005Pump sleeve for integrated drive generator2021 10,907,718Cam liner for integrated drive generator2021 10,883,495Scavenge/charge pump drive gear for integrated drive generator2021 10,850,860Internal combustion engines with unidirectional compounding drives2020 10,823,230Disconnect shaft for integrated drive generator2020 10,826,342Permanent magnet generator rotor for integrated drive generator2020 10,819,181Terminal lead support for use in integrated drive generator2020 10,788,035Pump sleeve for a charge and scavenge pump of an integrated drive generator2020 10,763,722Terminal block for use in integrated drive generator2020 10,760,665Governor drive gear for integrated drive generator2020 10,738,708Accessory drive gear for integrated drive generator2020 10,718,418Integrated drive generator having a variable input speed and constant output frequency and method of driving2020 10,707,792Variable wobbler plate for integrated drive generator2020 10,707,727Main generator stator sleeve for integrated drive generator2020 10,670,126Variable block shaft for integrated drive generator2020 10,641,344Disconnect plunger for integrated drive generator2020 10,644,563Terminal lead assembly for use in integrated drive generator2020 10,634,063Input shaft for use in integrated drive generator2020 10,612,640Output ring gear for integrated drive generator2020 10,615,653Lamination for main generator rotor in an integrated drive generator2020 10,599,165Governor and inversion pump drive gear2020 10,554,094Terminal block cover for use in integrated drive generator2020 10,547,127Electrical terminal device2020 10,541,634Generator arrangements and methods of controlling generator arrangements2020 10,539,213Hydraulic unit cylinder block for integrated drive generator2020 10,533,499Seal plate located between two housing portions in an integrated drive generator2020 10,495,186Low speed spool generator transmission2019 10,451,163Trim ring gear for integrated drive generator2019 10,436,251Fixed block shaft inner bearing race for integrated drive generator2019 10,422,324Wear ring for integrated drive generator2019 10,344,845Sun gear for an integrated drive generator2019 10,273,990Fixed wobbler for hydraulic unit2019 10,228,013Hydraulic unit2019 10,056,805Venting generator assemblies2018 10,024,413Input driven gear for a differential2018 9,989,138Integrated drive generator having a variable input speed and constant output frequency and method of driving2018 9,917,490'Tail cone generator with integral speed increasing gearbox'2018 9,874,245'Bearing liners for use within light alloy housings'2018 9,863,408'Slipper retainer for hydraulic unit'2018 9,863,544'Pressure-regulating valves'2018 9,845,679Port plate assembly for hydraulic unit2017 9,784,380'Valve assembly for variable frequency generator and method of sealing'2017 9,759,305'Planet gear for an integrated drive generator'2017 9,755,472'High speed rotor connection support'2017 9,719,499'Slipper retainer ball for hydraulic unit'2017 9,714,702'Variable coaxial shaft for hydraulic unit'2017 9,709,157'Carrier shaft for a differential'2017 9,695,926'Accessory drive gear hub for a differential'2017 9,645,586'Pressure regulating valve assembly'2017 9,601,975'High altitude, high voltage rear terminal block assembly'2017 9,574,618'Thermal disconnect assembly with flight control permanent magnet generator for integrated drive generator'2017 9,562,545'Pressure switch for oil supply'2017 9,528,552'Roller bearing outer race for hydraulic unit'2016 9,488,215'Fixed shaft for hydraulic unit'2016 9,482,265'Variable shaft for hydraulic unit'2016 9,476,459'Spline lock shaft locking system'2016 9,470,302'Accessory drive gear for a differential'2016 9,435,378'Roller bearing outer race for hydraulic unit'2016 9,394,831'Turbomachine drive arrangement'2016 9,154,046'Rotating rectifier assembly and method'2015 9,121,476'Control of shifting transmission for constant and variable frequency systems'2015 9,071,101'High altitude, high voltage rear terminal block assembly'2015 9,035,508'Rotating resistor assembly'2015 9,006,942'Generator main stator back-iron cooling sleeve'2015 8,998,564'Motor-generator connection shaft vent'2015 8,987,956'High speed clutch design with jaw tooth profile to reduce separating load'2015 8,963,391'Decoupler shaft for high speed generator'2015 8,917,003'Axial retention of permanent magnet rotor in high speed generator'2014 8,890,379'Rotating rectifier assembly and method'2014 8,890,350'Turbomachine drive arrangement'2014 8,876,650'Aircraft accessory drive multiple speed transmission'2014 8,853,911'Generator/motor wedge with lamination interface for reduced stress levels'2014 8,796,892'Multi-pole generator packaging arrangement having a disconnection system'2014 8,742,605'Method for aircraft engine start using synchronous generator and constant speed drive'2014 8,631,571'Method of installing a high altitude, high voltage terminal block assembly'2014 8,568,089'Gear arrangement'2013 8,561,503'Motor-generator and prime mover gearing assembly'2013 8,485,218'Oil pressure regulating valve for generator applications'2013 8,432,079'2-pole generator packaging arrangement'2013 8,425,372'Geared turbofan emergency power'2013 8,316,880'Oil filter bypass valve assembly for a generator'2012 8,319,481'Pole shifting generator'2012 8,313,351'High altitude, high voltage terminal block assembly'2012 8,264,111'Generator rotor bearing preload method and apparatus'2012 8,237,298'Generator coupling for use with gas turbine engine'2012 8,226,522'Coupling for generator/starter'2012 8,203,316'Eddy current torsional damper for generator'2012 8,201,317'Generator rotor with improved hollow shaft'2012 8,197,288'Terminal block having adjoining transverse surfaces with protrusions'2012 8,138,642'Oil cooled generator'2012 8,136,996'Frustoconical ball bearing and preloaded ball bearing assemblies'2012 8,102,089'Generator rotor bearing preload method and apparatus'2012 8,084,902'End plates for high speed generator applications'2011 8,051,738'Rotor gear for a generator'2011 8,030,821'Generator rotor with improved hollow shaft'2011 8,018,114'Generator rotor with improved wedges'2011 7,969,122'Pole count changing generator'2011 7,944,100'Generator rectifier assembly with ease of assembly features'2011 7,882,691'High to low pressure spool summing gearbox for accessory power extraction and electric start'2011 7,868,494'Rectifier assembly'2011 7,855,487'Generator end turn stress reduction collar'2010 7,821,171'Generator wedge with reduced eddy current losses'2010 7,472,547'Hydraulic differential for integrated drive generator'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2021Patents assigned to HAMILTON SUNDSTRAND CORP (113)· patent assignee history

2009–2021Based in Loves Park, IL, US· patent location history

2011–2018Patents assigned to LEMMERS JR GLENN C (28)· patent assignee history

2012–2018Patents assigned to GROSSKOPF ANDREW P (8)· patent assignee history

2013–2015Patents assigned to BEHLING DAVID S (8)· patent assignee history

2015–2021Patents assigned to HAMILTON SUNSTRAND CORP (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HAMILTON SUNDSTRAND CORP	113	2009–2021
LEMMERS JR GLENN Cself	28	2011–2018
BEHLING DAVID S	8	2013–2015
GROSSKOPF ANDREW P	8	2012–2018
HAMILTON SUNSTRAND CORP	5	2015–2021

Locations

Location	Patents	Span
Loves Park, Illinois, US	113	2009–2021