U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Kendro Laboratory Products, Inc.


Location: Asheville, NC
No. of patents: 21

NumberTitleIssue Date
7712320Compressor operation following sensor failure
A compressor is controlled by generating and storing a compressor operation log. In addition, a compressor operation is selected from the compressor operation log in response to a sensor failure. Furthermore, the compressor is modulated according to the selected com...
05/11/2010
7048511Device for prevention of backward operation of scroll compressors
A method and apparatus which provides a pressure sensor and/or temperature sensor connected to the low pressure side of a refrigeration system, or the discharge line of a scroll compressor. When the scroll compressor rotates backward, the change of pressure or tempe...
05/23/2006
7019656Empty gas supply tank pending warning
An apparatus and method for notifying a user of a pending empty gas supply tank. The user can input the initial volume of the gas supply tank, a gas monitor can monitor the amount of gas that was injected into the chamber and an indicator can notify the user when th...
03/28/2006
6929231Automation alignment system and method
An apparatus for alignment of an automation system used in low temperature refrigeration systems. An alignment system is provided to move the automation system along an X, Y, Z or other coordinate axis by adjusting fasteners and moving the automation system along a ...
08/16/2005
6918312Validation device and method
A testing apparatus is disclosed that includes an expandable mechanical structure, and logging devices that are coupled to the mechanical structure and serially networked together. The testing apparatus of the present invention is utilized to accommodate storage uni...
07/19/2005
6903525Motor temperature sensor system and method to determine motor performance
A method and apparatus is herein disclosed for determining the motor performance of an electric motor through monitoring the temperature of rotor magnets. The temperature is determined by initially heating the rotor magnets to two known temperatures and subsequently...
06/07/2005
6893227Device for prevention of backward operation of scroll compressors
A method and apparatus which provides a pressure sensor and/or temperature sensor connected to the low pressure side of a refrigeration system, or the discharge line of a scroll compressor. When the scroll compressor rotates backward, the change of pressure or tempe...
05/17/2005
6882949Method and apparatus for testing heat pumps
Plural testing stations are provided for simultaneously testing plural refrigeration systems and include resistive heaters for applying heat to selected portions of the refrigeration systems and include monitoring and control devices and a data acquisition and contr...
04/19/2005
6877328Compressor operation following sensor failure
A compressor is controlled by generating and storing a compressor operation log. In addition, a compressor operation is selected from the compressor operation log in response to a sensor failure. Furthermore, the compressor is modulated according to the selected com...
04/12/2005
6868688Access tunnel for low temperature freezing systems
A method and apparatus for accessing low temperature refrigeration systems is provided. In one embodiment, an access tunnel is provided and a heater, an access door, a vacuum insulation panel, a thermal break, a sealing gasket that mates with a sealing surface toget...
03/22/2005
6831564Low supply tank pressure warning
An apparatus for notifying a user when the gas pressure of a gas is at or below a threshold pressure. The gas can be injected into a chamber of an incubator. The gas pressure can be measured, relayed and compared to the threshold pressure. If the gas pressure is at ...
12/14/2004
6805172Enhanced/proactive CO2/O2 gas control
An apparatus and method for compensating gas loss in an incubator. A transducer can be used to monitor the gas pressure of various gases that flow into the incubator. By knowing the correct pressure that flows into the chamber, a faster and more accurate compensatio...
10/19/2004
6779787Apparatus and method for rotating heavy objects
A table having a two-part table top, wherein each part is independently pivotable, and a base which can double as a lift mechanism for raising and lowering the table top. The table top is useful for rotating heavy objects during manufacture to access the underside o...
08/24/2004
6601396Freezer defrost method and apparatus
Methods and apparatus for freezer defrost, which are particularly suited for an automated system, include the formulation of algorithms utilized for this purpose. The algorithms are included in the firmware of an embedded controller and operate the freeze...
08/05/2003
6557358Non-hydrocarbon ultra-low temperature system for a refrigeration system
Methods and apparatus for non-hydrocarbon design of ultra-low temperature refrigeration systems, which are particularly suited a non-hydrocarbon ultra-low temperature refrigeration system that can safely be transported and applied in the field as needed w...
05/06/2003
6518059High efficiency microplate incubator
A laboratory microplate incubator (10) including a housing (12) having a specially-sized, enclosed incubation chamber (24) therein and a temperature control assembly (14) that uniformly maintains the temperature within the incubator in a desired range. Th...
02/11/2003
6493924Method for enabling a high torque/high speed brushless DC motor
A high torque/high speed brushless DC motor system for controlling both the speed and torque of the motor including a rotor and a stator, the stator of the motor including a first, second and third winding. The system further includes means for sensing th...
12/17/2002
6482637Rapid gas recovery in an incubator system
Methods and apparatus for rapid gas recovery in a controlled gas atmosphere enclosure, which are particularly suited for maintaining incubator gas concentration levels, include the formulation of algorithms utilized for this purpose. The algorithms are in...
11/19/2002
6481224Vacuum fluorescent iconographic display for a low temperature refrigeration unit
A vacuum fluorescent iconographic display (10) operable to communicate the operating conditions of a low temperature refrigeration unit (5), with the display (10) using only intuitively recognizable pictorial iconic elements (12), numeric elements (14), a...
11/19/2002
6477849Method and apparatus for testing heat pumps
Plural testing stations are provided for simultaneously testing plural refrigeration systems and include resistive heaters for applying heat to selected portions of the refrigeration systems and include monitoring and control devices and a data acquisitio...
11/12/2002
6416454Control of separation performance in a centrifuge by controlling a temperature differential therein
Separation performance in sedimenting centrifuges, particularly generally cylindrical sedimenting centrifuges, and most particularly imperforate basket centrifuges, is controlled and enhanced by identifying a level of mixing that will produce improved sep...
07/09/2002
 
Sign InRegister
Username  
Password   
forgot password?