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INVESTMENT RARITIES, INCORPORATED
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MINNEAPOLIS, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and device for optimizing the air-fuel mixture burn rate of...
Patent number
4,961,406
Issue date
Oct 9, 1990
Investment Rarities Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method and apparatus utilizing valve throttling and charge stratifi...
Patent number
4,724,809
Issue date
Feb 16, 1988
Investment Rarities Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Mechanism utilizing a single rocker arm for controlling an internal...
Patent number
4,723,515
Issue date
Feb 9, 1988
Investment Rarities Incorporated
Corliss O. Burandt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus utilizing a plural-profiled cam unit for actuating the va...
Patent number
4,683,848
Issue date
Aug 4, 1987
Investment Rarities, Incorporated
Corliss O. Burandt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Mechanism for variably controlling an internal combustion engine valve
Patent number
4,495,902
Issue date
Jan 29, 1985
Investment Rarities, Incorporated
Corliss O. Burandt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Variable valve operating mechanism for internal combustion engines
Patent number
4,484,546
Issue date
Nov 27, 1984
Investment Rarities, Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable fuel delivery system for internal combustion engines
Patent number
4,484,558
Issue date
Nov 27, 1984
Investment Rarities, Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Valve actuating apparatus utilizing a multi-profiled cam unit for c...
Patent number
4,459,946
Issue date
Jul 17, 1984
Investment Rarities, Incorporated
Corliss O. Burandt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus and timing mechanism for controlling the valve operation...
Patent number
4,438,735
Issue date
Mar 27, 1984
Investment Rarities, Incorporated
Corliss O. Burandt
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus and method for controlling the valve operation of an inte...
Patent number
4,438,737
Issue date
Mar 27, 1984
Investment Rarities, Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Variable valve operating mechanism for internal combustion engines
Patent number
4,414,931
Issue date
Nov 15, 1983
Investment Rarities, Incorporated
Corliss O. Burandt
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73792248 - FOTOSHOW
Serial number
73792248
Registration number
1570896
Filing date
Apr 10, 1989
INVESTMENT RARITIES, INCORPORATED
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
73494922
Serial number
73494922
Registration number
1365912
Filing date
Aug 15, 1984
INVESTMENT RARITIES INCORPORATED
36 - Insurance
Information
Trademark
73134073 - SIERRA
Serial number
73134073
Registration number
1084654
Filing date
Jul 15, 1977
INVESTMENT RARITIES INCORPORATED
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes