P

Inventor

PINKERTON JOSEPH F

US101 patents
⚠️ This page may combine multiple inventors who share the name “PINKERTON JOSEPH F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ACTIVE POWER INC

20 patents
US7086231B2Aug 8, 2006

Thermal and compressed air storage system

ACTIVE POWER INC158 citations99
US6192687B1Feb 27, 2001

Uninterruptible power supply utilizing thermal energy source

ACTIVE POWER INC98 citations98
US5767591AJun 16, 1998

Method and apparatus for providing startup power to a genset-backed uninterruptible power supply

ACTIVE POWER INC119 citations98
US6512305B1Jan 28, 2003

Method and apparatus having a turbine working in different modes for providing an uninterruptible supply of electric power to a critical load

ACTIVE POWER INC55 citations96
US6255743B1Jul 3, 2001

Method and apparatus for providing an uninterruptible supply of electric power to a critical load

ACTIVE POWER INC60 citations96
US6166472ADec 26, 2000

Airgap armature coils and electric machines using same

ACTIVE POWER INC73 citations96
US5932935AAug 3, 1999

Energy storage flywheel emergency power source and methods

ACTIVE POWER INC34 citations96
US5905321AMay 18, 1999

Energy storage flywheel apparatus and methods

ACTIVE POWER INC34 citations96
US7127895B2Oct 31, 2006

Systems and methods for providing backup energy to a load

ACTIVE POWER INC61 citations95
US7693402B2Apr 6, 2010

Thermal storage unit and methods for using the same to heat a fluid

ACTIVE POWER INC103 citations94
US6323573B1Nov 27, 2001

High-efficiency inductor-alternator

ACTIVE POWER INC27 citations93
US6236123B1May 22, 2001

Generator providing alternating current which has a selected frequency

ACTIVE POWER INC29 citations93
US6118202ASep 12, 2000

High-efficiency inductor-alternator

ACTIVE POWER INC22 citations93
US6087753AJul 11, 2000

High-efficiency inductor-alternator

ACTIVE POWER INC18 citations93
US5874797AFeb 23, 1999

Permanent magnet generator providing alternating current which has a selected frequency

ACTIVE POWER INC48 citations93
US6463738B1Oct 15, 2002

Method and apparatus for providing a continuous supply of electric power

ACTIVE POWER INC82 citations92
US6029538AFeb 29, 2000

Replaceable bearing cartridge assembly for flywheel energy system

ACTIVE POWER INC34 citations92
US5969457AOct 19, 1999

Energy storage flywheel apparatus and methods

ACTIVE POWER INC22 citations92
US5929548AJul 27, 1999

High inertia inductor-alternator

ACTIVE POWER INC20 citations92
US5920138AJul 6, 1999

Motor/generator and axial magnetic bearing utilizing common magnetic circuit

ACTIVE POWER INC18 citations92

CLEAN ENERGY LABS LLC

10 patents

AMBIENT SYSTEMS INC

8 patents

MAGNETIC BEARING TECH

7 patents

PINKERTON JOSEPH F

2 patents

CJP IP HOLDINGS LTD

2 patents

CJP IP HOLDING LTD

1 patent

Showing the top 50 of 101 patents by PatentIndex Score.