Micromem Technologies Inc.

Canada

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IP Type
        Patent 4
        Trademark 1
Jurisdiction
        World 4
        Canada 1
IPC Class
G01N 27/74 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids 1
G11B 5/02 - Recording, reproducing or erasing methodsRead, write or erase circuits therefor 1
G11B 5/127 - Structure or manufacture of heads, e.g. inductive 1
G11B 5/37 - Structure or manufacture of flux-sensitive heads using galvano-magnetic devices, e.g. Hall-effect devices 1
G11C 11/00 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor 1
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NICE Class
09 - Scientific and electric apparatus and instruments 1
10 - Medical apparatus and instruments 1
35 - Advertising and business services 1
42 - Scientific, technological and industrial services, research and design 1

1.

MICROMEM

      
Application Number 165698800
Status Registered
Filing Date 2013-12-19
Registration Date 2015-04-27
Owner Micromem Technologies Inc. (Canada)
NICE Classes  ?
  • 09 - Scientific and electric apparatus and instruments
  • 10 - Medical apparatus and instruments
  • 35 - Advertising and business services
  • 42 - Scientific, technological and industrial services, research and design

Goods & Services

(1) Magnetic sensors for use in the mining industry, namely magnetic sensors for analyzing the movement and measuring underground materials, namely gold, oil and gas, and for use in magnetic tracing of such materials. (2) Magnetic sensors for use in the automotive industry, namely magnetic sensors to monitor the performance of motors, magnetic oil pan sensors, and magnetic sensors for detecting engine oil and fluid impurities. (3) Magnetic sensors for use in the medical diagnostic industry, namely magnetic sensors for use in the manufacture of biometrics devices, and medical diagnostic testing. (4) Magnetic sensors for use in the food processing industry. (5) Magnetic sensors for use in the electrical utility industry for transformers. (6) Magnetic sensors for use in the computer hardware industry, namely magnetic sensors used to manufacture read/write heads in hard disk drives and components for keyboards. (7) Magnetic sensors for use in testing of oil wells, fracking technology cement integrity sensors and particle tracer technology. (1) Technical consulting in the fields of mining, automotives, medical diagnostics, food processing, electrical utilities, computer hardware, and oil wells. (2) Business consulting in the field of magnetic sensor applications. (3) Providing customized magnetic sensor applications in the industries of mining, automotives, medical diagnostics, food processing, electrical utilities, computer hardware, and oil wells. (4) Developing customized magnetic sensor applications in the industries of mining, automotives, medical diagnostics, food processing, electrical utilities, computer hardware, and oil wells.

2.

HARD DISK DRIVE DEVICE READ-WRITE HEAD WITH DIGITAL AND ANALOG MODES OF OPERATION AND USE THEREOF

      
Application Number US2009005574
Publication Number 2010/062300
Status In Force
Filing Date 2009-10-13
Publication Date 2010-06-03
Owner MICROMEM TECHNOLOGIES, INC. (Canada)
Inventor
  • Pileggi, Nick
  • Pippin, William
  • Sunners, Mike

Abstract

The invention relates generally to hard disk devices, and more particularly, to hard disk devices using read-write components having electromagnetic elements. The invention can be utilized in any application requiring high sensitivity such as ionic particulate flow detection, and weak magnetic planar flux variation and transition detection. The invention combines both Hall Effect sensors and inductive effects to help increase precision of sensitivity, and increase flux noise rejection. Additionally, to acting as a sense element, the invention has the ability to generate a localized electromagnetic flux.

IPC Classes  ?

  • G11B 5/37 - Structure or manufacture of flux-sensitive heads using galvano-magnetic devices, e.g. Hall-effect devices
  • G11B 5/02 - Recording, reproducing or erasing methodsRead, write or erase circuits therefor
  • G11B 5/127 - Structure or manufacture of heads, e.g. inductive

3.

HALL EFFECT-BASED REAL-TIME LUBRICATION MONITORING SYSTEM MODES OF OPERATION AND USE THEREOF

      
Application Number US2009065121
Publication Number 2010/062826
Status In Force
Filing Date 2009-11-19
Publication Date 2010-06-03
Owner MICROMEM TECHNOLOGIES INC. (Canada)
Inventor
  • Pippin, William
  • Pileggi, Nicholas, D.
  • Sunners, Mike

Abstract

The invention relates to a system for real-time monitoring of motile lubricants within the presently common reciprocating engine. A sensor array is fully submerged (or partially submerged) within the lubricant system fluid, for example, oil. The fluid property monitoring is accomplished by multiple sensors acting in unison to provide data to a remote processing and display portion of the system. The system allows for the unified data acquisition and real-time comparison by providing both a physical sensor unit with embedded multiple sensors ofmultiple types as well as multiple DSP (Digital Signal Processing) or microcontroller modules acting in parallel to provide best- fit results for purposes of real-time monitoring high-temperature motile lubricants for property degradation (namely viscosity and foreign particulate detection) and particulate accumulation.

IPC Classes  ?

  • G01N 27/74 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables of fluids

4.

MAGNETIC MEMORY DEVICE HAVING A C-SHAPED STRUCTURE AND METHOD OF MANUFACTURING THE SAME

      
Application Number US2008012585
Publication Number 2009/073074
Status In Force
Filing Date 2008-11-07
Publication Date 2009-06-11
Owner MICROMEM TECHNOLOGIES INC. (Canada)
Inventor
  • Imai, Darren
  • Kuper, Cynthia

Abstract

A non-volatile magnetic memory device having one or more memory cells, each of the memory cells includes a magnetic switch including a C-shaped magnetic component and a write coil located proximate the magnetic component, the write coil coupled to receive a current sufficient to create a remnant magnetic polarity in the magnetic component, and a Hall sensor, positioned proximate the magnetic component, to detect the remnant magnetic polarity indicative of a stored data bit.

IPC Classes  ?

  • G11C 11/00 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor

5.

SENSOR FOR A MAGNETIC MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME

      
Application Number US2008012582
Publication Number 2009/070201
Status In Force
Filing Date 2008-11-07
Publication Date 2009-06-04
Owner MICROMEM TECHNOLOGIES INC. (Canada)
Inventor
  • Imai, Darren
  • Kuper, Cynthia

Abstract

The invention encompasses fabrication methods including the steps of preparing a silicon substrate, forming an amorphous IH-V material layer on the silicon substrate, heating the amorphous HI-V material layer, and epitaxially growing HI-V material on the amorphous III-V material layer.

IPC Classes  ?

  • G11C 11/18 - Digital stores characterised by the use of particular electric or magnetic storage elementsStorage elements therefor using Hall-effect devices