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Liebert Corporation patents

Recent patent applications related to Liebert Corporation. Liebert Corporation is listed as an Agent/Assignee. Note: Liebert Corporation may have other listings under different names/spellings. We're not affiliated with Liebert Corporation, we're just tracking patents.

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Liebert Corporation-related inventors

Date Liebert Corporation patents (updated weekly) - BOOKMARK this page
01/26/17Pumped refrigerant cooling system with 1+1 to n+1 and built-in redundancy
01/12/17System and modular data center
12/15/16Cooling system with direct expansion and pumped refrigerant economization cooling
12/08/16Fast restart of flywheel in uninterruptible power supply system having flywheel system/battery combination
11/17/16System and power sharing in a multiple ups system
11/10/16Microchannel heat exchanger with improvement of dirt-resisting and anti-blocking
10/27/16Intelligent power strip with management of bistable relays to reduce current in-rush
10/20/16Method for balancing power in paralleled converters
09/29/16Real current meter
08/04/16Method for detecting a failing rectifier or rectifier source
07/21/16System and rack mountable modular dc power unit
05/19/16System and modular data center
05/19/16Cooling system for high density heat load
04/21/16System and ups battery monitoring and data analysis
03/31/16Method and circuit for eliminating transformer saturation in the presence of dc offset voltage
03/24/16Cooling system having a condenser with a micro-channel cooling coil and sub-cooler having a fin-and-tube heat cooling coil
03/03/16Vapor compression cooling system with improved energy efficiency through economization
08/27/153-wire transformer-free ups system and control to reduce common mode current
08/13/15High efficiency cooling system
07/30/15Method of retrofitting computer room air conditioner to increase a maximum temperature delta
06/04/15Repetitive servomechanism controller for uninterruptible power supply system
05/21/15Method to select optimal synchronization source in a multiple uninterruptible power supply system
04/09/15System and modular data center
01/29/15Apparatus and subcooling control based on superheat setpoint control
09/18/14Mesh network synchronous power monitoring systems and methods
09/18/14System and energy analysis and predictive modeling of components of a cooling system
09/18/14Method for automatic mapping of ac phase conductors and identification of ac buses in a multi-bus power system
06/12/14Multiple ups system having multi-way power tie system and intelligent power sharing control
05/15/14Techniques for improving operation of static transfer switches during voltage disturbances
05/15/14Operating a static transfer switch to eliminate transformer inrush current in the presence of residual flux
04/17/14Control method during zero-crossing operation of bridge arms in ups
01/09/14Cooling system for high density heat loads
11/14/13Ultrasonic electrolyte sensor
07/25/13Intelligent arbitration of power line based coordinating signals between multiple ups buses wihtout any auxiliary signals
07/04/13Pumped refrigerant cooling system with 1+1 to n+1 and built-in redundancy
06/06/13Fan speed control for air-cooled condenser in precision cooling
04/25/13High efficiency cooling system
04/25/13Vapor compression cooling system with improved energy efficiency through economization
04/25/13Cooling system with tandem compressors and electronic expansion valve control
04/25/13Multi-stage cooling system with tandem compressors and optimized control of sensible cooling and dehumidification
04/18/13Variable refrigerant flow cooling system
01/24/13Wireless portable battery capacity test system
01/03/13Cooling system for high density heat load
01/03/13Ups system and supplying power to non-linear load
12/27/12Cooling system for high density heat load
12/20/12Snubber circuit and inverter with the same
12/06/12Ups adaptive output voltage control systems
11/22/12Kind of air conditioner system and control its condensing fan
10/25/12Repetitive controller, control method thereof and feedback control system
10/04/12Client connection device for ups system
07/12/12Computer room air conditioner with pre-cooler
05/17/12Method and maintaining uninterruptible power supplies
05/17/12Battery monitor with correction for internal ohmic measurements of battery cells in parallel connected battery strings
03/29/12System and displaying battery string cell data in polar coordinate graphical form
03/08/12Uninterruptible power supply with a dual gain voltage regulator controlling an inverter output voltage based on active and reactive components of current
11/24/11T-type three-level inverter circuit
11/17/11Control soft switch circuit in switch power source
11/17/11Float current monitor
11/10/11Cooling fluid flow regulation distribution system and method
10/06/11Method for controlling system gain of ups
10/06/11Adaptive power strip
09/29/11Adaptive power strip
06/23/11Cooling system with indirect humidity determination
05/26/11Method and equalizing a pumped refrigerant system
05/05/11Condensation prevention system and methods of use
Patent Packs
05/05/11Method and maintaining uninterruptible power supplies
02/10/11Self-configuring ip addressable devices utilizing two ethernet protocol ip ports
12/16/10Control soft switch circuit in switch power supply
11/25/10Power source module with broad input voltage range
08/26/10Driving circuit of switch device
08/12/10Energy efficient air conditioning system and method utilizing variable capacity compressor and sensible heat ratio load matching
06/03/10Adaptive and modular ups system and method
05/20/10System and forming universal control panel
05/06/10Automatic compensation for degradation of optocoupler light emitting diode
05/06/10Rack with vertical mounting providing room for rack pdu
04/08/10High-efficiency, fluid-cooled ups converter
04/01/10Maximized battery run-time in a parallel ups system
03/18/10Intelligent sensorless control of a phase controlled rectifier
02/18/10System and detecting an electrical short across a static switch of an uninterruptible power supply
10/15/09Ac and dc uninterruptible online power supplies
Patent Packs
10/08/09Undervoltage transfer detection
10/08/09Hysteresis mitigation and control method
10/08/09Heat-sink brace for fault-force support
09/24/09Adaptive power strip
09/24/09Solar powered dc load system
09/17/09System and load sharing in multi-module power supply systems
09/10/09System and measuring battery internal resistance
09/03/09Heat exchanger core tube for increased core thickness
08/27/09Laminated sheet manifold for microchannel heat exchanger
08/27/09Substation based high voltage uninterruptible power supply
08/27/09Power supply system with adaptive blown fuse detection using negative sequence component
08/20/09Humidity control for multiple unit a/c system installations
08/20/09Climate control system for data centers
08/13/09Uninterruptible power supply with rectifier fast walk in
06/25/09Liquid cooling systems for server applications
05/21/09Computer room environmental conditioning unit with translatable blowers
05/14/09Adaptive capacity power supply
03/26/09Toolless mechanical fastener
03/05/09Motorized ball valve control system for fluid cooled heat exchanger
02/05/09System and controlling fluid flow through a fluid cooled heat exchanger

ARCHIVE: New 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Liebert Corporation in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Liebert Corporation with additional patents listed. Browse our Agent directory for other possible listings. Page by