LexDanaLexDanabeta
Inventor

Joseph F. Pinkerton

Inventor
Austin, TX, US

Overview

87→
Patents
1990–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 87 as inventor

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

H02Kprimary
H02KDynamo-electric machines11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F16CShafts6%
H02NElectric machines not otherwise provided for6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers5%
B82YSpecific uses or applications of nanostructures5%
H02JElectric power networks4%
H01HElectric switches4%
H10NElectric solid-state devices not otherwise provided for3%
PatentTitleYear
11,134,336Cover-baffle-stand system for loudspeaker system and method of use thereof202110,791,401Compact electroacoustic transducer and loudspeaker system and method of use thereof202010,694,009Communication system having an array of pumps and method of use thereof202010,670,001Energy conversion system including a ballistic rectifier assembly and uses thereof2020D0883952Audio speaker202010,354,102Ultrasonic identification devices and methods of making and using same201910,250,997Compact electroacoustic transducer and loudspeaker system and method of use thereof201910,194,244Electrically conductive membrane pump system20199,924,275'Loudspeaker having electrically conductive membrane transducers'20189,831,804Membrane-based NANO-electromechanical systems device and methods to make and use same20179,831,803Membrane-based nano-electromechanical systems device and methods to make and use same20179,826,313'Compact electroacoustic transducer and loudspeaker system and method of use thereof'20179,820,057'Electroacousitic loudspeaker system for use in a partial enclosure'20179,661,422'Electroacousitic loudspeaker system for use in a partial enclosure'20179,638,182'Graphene-trough pump systems'20179,515,580'Membrane-based nano-electromechanical systems device and methods to make and use same'20169,516,426'Electrostatic membrane pump/transducer and methods to make and use same'20169,467,073'Piezoelectric energy conversion assemblies'20169,353,740'Graphene-drum pump and engine systems'20169,313,580'Audio speaking having an electrostatic membrane pump and methods to use same'20169,278,502'Encapsulated micro-bubble materials and methods to make and use same'20169,264,795'Electrically conductive membrane pump/transducer and methods to make and use same'20169,264,796'Electrically conductive membrane pump/transducer and methods to make and use same'20169,167,353'Electrically conductive membrane pump/transducer and methods to make and use same'20159,143,868'Electrically conductive membrane pump/transducer and methods to make and use same'20159,100,754'Electrically conductive membrane pump/transducer and methods to make and use same'20158,778,197'Graphene windows, methods for making same, and devices containing same'20148,755,212'Non-volatile graphene-drum memory chip'20148,671,686'Systems and methods for providing backup energy to a load'20148,482,087'Nanoelectromechanical tunneling current switch systems'20138,432,212'Switching element having an electromechanical switch and methods for making and using same'20138,385,113'Nanoelectromechanical systems and methods for making the same'20138,338,728'Nanoelectromechanical tunneling current switch systems'20127,987,597'Systems and methods for the automated fabrication of trusses'20117,918,091'Systems and methods for controlling humidity'20117,839,028'Nanoelectromechanical systems and methods for making the same'20107,693,402'Thermal storage unit and methods for using the same to heat a fluid'20107,681,395'Systems and methods for providing backup energy to a load'20107,582,992'Electrical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same'20097,518,283'Nanometer-scale electrostatic and electromagnetic motors and generators'20097,495,350'Energy conversion systems utilizing parallel array of automatic switches and generators'20097,484,289'Systems and methods for the automated fabrication of trusses'20097,414,325'Energy conversion systems using nanometer scale assemblies and methods for using same'20087,362,605'Nanoelectromechanical memory cells and data storage devices'20087,262,515'Energy conversion systems using nanometer scale assemblies and methods for using same'20077,256,063'Nanoelectromechanical transistors and switch systems'20077,199,498'Electrical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same'20077,196,450'Electromechanical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same'20077,148,579'Energy conversion systems utilizing parallel array of automatic switches and generators'20067,127,895'Systems and methods for providing backup energy to a load'20067,095,645'Nanoelectromechanical memory cells and data storage devices'20067,086,231'Thermal and compressed air storage system'20067,030,593'Multiple path variable speed constant frequency device having automatic power path selection capability'20066,844,706'Multiple path variable speed constant frequency device having automatic power path selection capability'20056,777,823'Integrated continuous power system assemblies having multiple nozzle block segments'20046,593,666'Energy conversion systems using nanometer scale assemblies and methods for using same'20036,512,305'Method and apparatus having a turbine working in different modes for providing an uninterruptible supply of electric power to a critical load'20036,463,738'Method and apparatus for providing a continuous supply of electric power'20026,323,573'High-efficiency inductor-alternator'20016,255,743'Method and apparatus for providing an uninterruptible supply of electric power to a critical load'20016,236,123'Generator providing alternating current which has a selected frequency'20016,192,687'Uninterruptible power supply utilizing thermal energy source'20016,166,472'Airgap armature coils and electric machines using same'20006,124,702'Step switch cycloconverter utilizing multi-tap armature'20006,118,202'High-efficiency inductor-alternator'20006,087,753'High-efficiency inductor-alternator'20006,029,538'Replaceable bearing cartridge assembly for flywheel energy system'20005,980,193'Magnetically levitated robot and method of increasing levitation force'19995,969,457'Energy storage flywheel apparatus and methods'19995,955,816'Energy storage flywheel apparatus and methods'19995,932,935'Energy storage flywheel emergency power source and methods'19995,929,548'High inertia inductor-alternator'19995,920,138'Motor/generator and axial magnetic bearing utilizing common magnetic circuit'19995,905,321'Energy storage flywheel apparatus and methods'19995,874,797'Permanent magnet generator providing alternating current which has a selected frequency'19995,864,198'Brushless generator'19995,767,591'Method and apparatus for providing startup power to a genset-backed uninterruptible power supply'19985,731,645'Integrated motor/generator/flywheel utilizing a solid steel rotor'19985,572,079'Magnetic bearing utilizing brushless generator'19965,525,848'Magnetic bearing system including a generator'19965,508,573'Magnetic bearing with phase-shifted loops'19965,471,105'Null flux magnetic bearing with cross-connected loop portions'19955,469,006'Lorentz force magnetic bearing utilizing closed conductive loops and selectively controlled electromagnets'19955,434,459'Pulsed power linear actuator and method of increasing actuator stroke force'19955,345,128'Magnetic bearing with closed loops which move in AC electromagnet field and/or which include capacitors'19945,302,874'Magnetic bearing and method utilizing movable closed conductive loops'19944,945,273'High efficiency electrical machine'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Based in Birmingham, MI, US· patent location history
1994–1999Patents assigned to MAGNETIC BEARING TECH (8)· patent assignee history
1994–2021Based in Austin, TX, US· patent location history
1998–2014Patents assigned to ACTIVE POWER INC (28)· patent assignee history
2003–2008Patents assigned to AMBIENT SYSTEMS INC (9)· patent assignee history
2010–2016Patents assigned to PINKERTON JOSEPH F (10)· patent assignee history
2012–2021Patents assigned to CLEAN ENERGY LABS LLC (29)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CLEAN ENERGY LABS LLC292012–2021
ACTIVE POWER INC281998–2014
PINKERTON JOSEPH Fself102010–2016
AMBIENT SYSTEMS INC92003–2008
MAGNETIC BEARING TECH81994–1999
Locations
LocationPatentsSpan
Austin, Texas, US861994–2021
Birmingham, MI, US11990