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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for monitoring the surface profile of a moving...
Patent number
5,056,922
Issue date
Oct 15, 1991
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Paolo Cielo
G01 - MEASURING TESTING
Information
Patent Grant
Form depicting, optical interference authenticating device
Patent number
5,009,486
Issue date
Apr 23, 1991
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Jerzy A. Dobrowolski
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method and apparatus for detecting the presence of flaws in a movin...
Patent number
4,972,091
Issue date
Nov 20, 1990
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Paolo Cielo
G01 - MEASURING TESTING
Information
Patent Grant
Broadband optical detection of transient motion from a scattering s...
Patent number
4,966,459
Issue date
Oct 30, 1990
Canadian Patents and Development Limited -Societe Canadienne des Brevets et D...
Jean-Pierre Monchalin
G01 - MEASURING TESTING
Information
Patent Grant
Method for making a grating assisted optical waveguide device
Patent number
4,963,177
Issue date
Oct 16, 1990
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Seyed-Iraj Najafi
G02 - OPTICS
Information
Patent Grant
High power RF switch
Patent number
4,920,324
Issue date
Apr 24, 1990
Canadian Patents and Development Limited/Societe Canadienne Des Brevets Et D'...
Neil Whittaker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Scallop eviscerating machine
Patent number
4,903,373
Issue date
Feb 27, 1990
Canadian Patents and Development Limited/Societe Canadienne Des Brevets Et D-...
Joseph R. C. Chouinard
A22 - BUTCHERING MEAT TREATMENT PROCESSING POULTRY OR FISH
Information
Patent Grant
Low severity peat dewatering process
Patent number
4,895,577
Issue date
Jan 23, 1990
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Esteban Chornet
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Sorbent tube trace sample releasing apparatus
Patent number
4,890,502
Issue date
Jan 2, 1990
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Lorne Elias
G01 - MEASURING TESTING
Information
Patent Grant
Transconductance amplifier with transformer coupled forward feed
Patent number
4,884,038
Issue date
Nov 28, 1989
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Petar N. Miljanic
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Process for preparing flour from Jerusalem artichoke tubers
Patent number
4,871,574
Issue date
Oct 3, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Hiroshi Yamazaki
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Wideband stripline to microstrip transition
Patent number
4,862,120
Issue date
Aug 29, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
James Ruxton
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Substituted benzimidazole fungicide
Patent number
4,857,541
Issue date
Aug 15, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Mikio Chiba
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Microwave apparatus for thawing frozen liquid and a bag holder asse...
Patent number
4,855,555
Issue date
Aug 8, 1989
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Glenn N. Adams
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Spherical buildings
Patent number
4,848,047
Issue date
Jul 18, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Douglas M. Sneyd
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method and apparatus for analyzing different sulphur forms
Patent number
4,845,040
Issue date
Jul 4, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Kwang S. Moon
G01 - MEASURING TESTING
Information
Patent Grant
Solid state arsenic probe for use in pyrometallurgical processes
Patent number
4,842,698
Issue date
Jun 27, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Jitka Kirchnerova
G01 - MEASURING TESTING
Information
Patent Grant
Current ratio device
Patent number
4,841,236
Issue date
Jun 20, 1989
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Petar N. Miljanic
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring magnetic losses in ferromagnetic...
Patent number
4,820,981
Issue date
Apr 11, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Jean F. Bussiere
G01 - MEASURING TESTING
Information
Patent Grant
Peak detector and imaging system
Patent number
4,819,197
Issue date
Apr 4, 1989
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Francois Blais
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Foldable workstation
Patent number
D300486
Issue date
Apr 4, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Audrey G. Kaplan
D06 - Furnishings
Information
Patent Grant
Apparatus and method for inspecting the degradation of a gas nozzle
Patent number
4,811,605
Issue date
Mar 14, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Francois Nadeau
G01 - MEASURING TESTING
Information
Patent Grant
Phyllosilicate electrets and a method for their manufacture
Patent number
4,808,849
Issue date
Feb 28, 1989
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Ion I. Inculet
G11 - INFORMATION STORAGE
Information
Patent Grant
Composite photocatalyst for refractory waste degradation
Patent number
4,806,514
Issue date
Feb 21, 1989
Canadian Patents and Development Limited -Societe Canadienne des Brevets et D...
Cooper H. Langford
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Optoelectronic compound switching matrix
Patent number
4,783,850
Issue date
Nov 8, 1988
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Robert I. MacDonald
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for coding digital data to permit correction o...
Patent number
4,769,818
Issue date
Sep 6, 1988
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Brian C. Mortimer
G11 - INFORMATION STORAGE
Information
Patent Grant
Stability optimized perforated breakwaters
Patent number
4,764,052
Issue date
Aug 16, 1988
Canadian Patents and Developments Limited/Societe Canadienne des Brevets et d...
Gerard E. Jarlan
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Processes for the smelting reduction of smeltable materials
Patent number
4,756,748
Issue date
Jul 12, 1988
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Wei-Kao Lu
C21 - METALLURGY OF IRON
Information
Patent Grant
Pulsed dilatometric method and device for the detection of delamina...
Patent number
4,752,140
Issue date
Jun 21, 1988
Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
Paolo Cielo
G01 - MEASURING TESTING
Information
Patent Grant
Birefringent single-mode acoustic fiber
Patent number
4,742,318
Issue date
May 3, 1988
Canadian Patents and Development Limited-Societe Canadienne des Brevets et d'...
Cheng-Kuei Jen
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73729271 - EXPRES
Serial number
73729271
Registration number
1639039
Filing date
May 19, 1988
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73715834 - HOTCAN
Serial number
73715834
Registration number
1539026
Filing date
Mar 10, 1988
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73709393 - DOLPHIN
Serial number
73709393
Registration number
1556725
Filing date
Feb 4, 1988
CANADIAN PATENTS AND DEVELOPMENT LIMITED/SOCIETE CANADIENNE DES BREVETS ET D'...
12 - Vehicles
Information
Trademark
73709391 - ARCS
Serial number
73709391
Registration number
1553647
Filing date
Feb 4, 1988
CANADIAN PATENTS AND DEVELOPMENT LIMITED/SOCIETE CANADIENNE DES BREVETS ET D'...
12 - Vehicles
Information
Trademark
73698786 - BESA
Serial number
73698786
Registration number
1565553
Filing date
Dec 3, 1987
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73686572 - HARMONY
Serial number
73686572
Registration number
1752261
Filing date
Sep 28, 1987
CANADIAN PATENTS AND DEVELOPMENTS LIMITED - SOCIETE CANADIENNE DES BREVETS ET...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73663017 - INTERACTIVE DATA EXTRACTION AND ANALYSIS
Serial number
73663017
Registration number
1572971
Filing date
May 26, 1987
CANADIAN PATENTS AND DEVELOPMENT LIMITED /SOCIETE CANADIENNE DES BREVETS ET D...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73571463 - MULTI-PHER
Serial number
73571463
Registration number
1430281
Filing date
Dec 3, 1985
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
21 - Household or kitchen utensils and containers
Information
Trademark
73543162 - RACE
Serial number
73543162
Registration number
1442797
Filing date
Jun 17, 1985
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73541275 - NATAL
Serial number
73541275
Registration number
1450404
Filing date
Jun 4, 1985
CANADIAN PATENTS AND DEVELOPMENT LIMITED-SOCIETE CANADIENNE DES BREVETS ET D'...
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments