LIEBERT CORPORATION

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1942
 
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 993
 
 
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 826
 
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 856
 
 
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 534
 
 
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 538
 
 
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 416
 
 
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 412
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4303
 
 
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 348

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,467,609 Modular floor sub-structure for the operational support of computer systemsMar 03, 94Nov 21, 95[F25D]59
5,345,779 Modular floor sub-structure for the operational support of computer systemsApr 23, 93Sep 13, 94[F04H, F24F]50
6,700,351 Modular uninterruptible power supply battery managementFeb 20, 01Mar 02, 04[H01M]42
6,796,372 Single or dual buss thermal transfer systemJun 12, 02Sep 28, 04[F28D]40
7,051,802 Method and apparatus for cooling electronic enclosuresMar 21, 01May 30, 06[G05D]39
6,557,624 Configurable system and method for cooling a roomAug 09, 00May 06, 03[F24H, F24F]39
6,917,124 Uninterruptible power supplyOct 26, 01Jul 12, 05[H02J]33
5,709,100 Air conditioning for communications stationsAug 29, 96Jan 20, 98[F25D]32
6,564,858 Overhead cooling system with selectively positioned paths of airflowJul 17, 00May 20, 03[F28F]21
6,879,060 Method and apparatus for transfer control and undervoltage detection in an automatic transfer switchOct 22, 01Apr 12, 05[H02J]19

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0098,085 HIGH EFFICIENCY COOLING SYSTEMApr 13, 12Apr 25, 13[F25D, F25B]
2013/0098,086 VAPOR COMPRESSION COOLING SYSTEM WITH IMPROVED ENERGY EFFICIENCY THROUGH ECONOMIZATIONApr 13, 12Apr 25, 13[F25B]
2013/0098,087 COOLING SYSTEM WITH TANDEM COMPRESSORS AND ELECTRONIC EXPANSION VALVE CONTROLApr 13, 12Apr 25, 13[F25B]
2013/0098,088 MULTI-STAGE COOLING SYSTEM WITH TANDEM COMPRESSORS AND OPTIMIZED CONTROL OF SENSIBLE COOLING AND DEHUMIDIFICATIONApr 13, 12Apr 25, 13[F25B]
2013/0091,874 Variable Refrigerant Flow Cooling SystemApr 03, 12Apr 18, 13[F25B]
2013/0021,037 WIRELESS PORTABLE BATTERY CAPACITY TEST SYSTEMJan 20, 12Jan 24, 13[G01R]
2013/0000,335 COOLING SYSTEM FOR HIGH DENSITY HEAT LOADSep 10, 12Jan 03, 13[F25D, F24F, F25B]
2013/0002,025 UPS SYSTEM AND METHOD OF SUPPLYING POWER TO NON-LINEAR LOADJun 29, 12Jan 03, 13[H02J]
2012/0324,930 COOLING SYSTEM FOR HIGH DENSITY HEAT LOADAug 31, 12Dec 27, 12[F25D]
2012/0320,643 SNUBBER CIRCUIT AND INVERTER WITH THE SAMEJun 15, 12Dec 20, 12[H02H]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,416,592 Control method for soft switch circuit in switch power supplySep 08, 08Apr 09, 13[H02H, H02M]
8,387,687 Method and apparatus for cooling electronic enclosuresMar 14, 06Mar 05, 13[F25D, H05K, G05D]
8,373,306 Adaptive and modular UPS system and methodOct 20, 09Feb 12, 13[H02J]
8,340,832 Energy efficiency management system and methodFeb 09, 09Dec 25, 12[H02J]
8,289,710 Liquid cooling systems for server applicationsJan 09, 09Oct 16, 12[H05K]
8,290,103 Method for transmitting parallelization signals of uninterruptible power suppliesMay 23, 08Oct 16, 12[H04L]
8,271,146 Maximized battery run-time in a parallel UPS systemDec 03, 09Sep 18, 12[G05D]
8,261,565 Cooling system for high density heat loadDec 02, 04Sep 11, 12[F25D]
8,264,099 Portable display for adaptive power stripJun 13, 11Sep 11, 12[G08C, H02J]
8,212,404 Method and apparatus for maintaining uninterruptible power suppliesJan 05, 11Jul 03, 12[H02H]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Martin James K
Galena, OH
18
POWELL Jeffrey M
Columbus, OH
15
Bush Terry D
Columbus, OH
12
Spearing Ian
Columbus, OH
12
ALDAG Philip R
Columbus, OH
11
Heber Brian P
Columbus, OH
11
Harvey Thomas E
Columbus, OH
10
SCHRADER Timothy J
Irwin, OH
10
PANFIL Peter A
Columbus, OH
8
Sillato Stephen
Westerville, OH
8