Douglas C. Brackett

Person

Portland, ME, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydraulic bicycle with conjugate drive motors and variable stroke c...
- Patent number 5,938,224
- Issue date Aug 17, 1999
- Douglas C. Brackett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Hydraulic bicycle with conjugate drive motors
- Patent number 5,772,225
- Issue date Jun 30, 1998
- Douglas C. Brackett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for creating a conjugated profile corresponding to a conjuga...
- Patent number 5,751,587
- Issue date May 12, 1998
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Method for creating a conjugated profile corresponding to a conjuga...
- Patent number 5,661,655
- Issue date Aug 26, 1997
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Motion converter with pinion sector/rack interface
- Patent number 5,640,881
- Issue date Jun 24, 1997
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Conjugate drive mechanism
- Patent number 5,575,173
- Issue date Nov 19, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine with improved cycle dynamics
- Patent number 5,560,327
- Issue date Oct 1, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Motion arrester for a conjugate drive mechanism
- Patent number 5,546,821
- Issue date Aug 20, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine with stroke specialized cylinders
- Patent number 5,546,897
- Issue date Aug 20, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Conjugate drive mechanism
- Patent number 5,513,541
- Issue date May 7, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Lubrication system for a conjugate drive mechanism
- Patent number 5,494,135
- Issue date Feb 27, 1996
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Motion converter with pinion sector/rack interface
- Patent number 5,456,159
- Issue date Oct 10, 1995
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Conjugate drive mechanism
- Patent number 5,445,039
- Issue date Aug 29, 1995
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine with stroke specialized cylinders
- Patent number 5,431,130
- Issue date Jul 11, 1995
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Lubrication system for a conjugate drive mechanism
- Patent number 5,417,309
- Issue date May 23, 1995
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Internal combustion engine with improved cycle dynamics
- Patent number 5,375,566
- Issue date Dec 27, 1994
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Motion arrester for a conjugate drive mechanism
- Patent number 5,351,567
- Issue date Oct 4, 1994
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus for removing and installing valve-spring retainer assembl...
- Patent number 5,339,515
- Issue date Aug 23, 1994
- Douglas C. Brackett
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Motion converter with pinion sector/rack interface
- Patent number 5,259,256
- Issue date Nov 9, 1993
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Apparatus and method for removing and installing valve-spring retai...
- Patent number 5,241,734
- Issue date Sep 7, 1993
- Douglas C. Brackett
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Method for treating garbage disposal units
- Patent number 4,852,813
- Issue date Aug 1, 1989
- Douglas C. Brackett
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
Motion converter
- Patent number 4,779,472
- Issue date Oct 25, 1988
- Douglas C. Brackett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Device for converting linear motion to rotary motion or vice versa
- Patent number 4,685,342
- Issue date Aug 11, 1987
- Douglas C. Brackett
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Device for converting between rotary and rectilinear motion
- Patent number 4,590,812
- Issue date May 27, 1986
- Douglas C. Brackett
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Douglas C. Brackett

Person

Patents Grantslast 30 patents

Hydraulic bicycle with conjugate drive motors and variable stroke c...

Hydraulic bicycle with conjugate drive motors

Method for creating a conjugated profile corresponding to a conjuga...

Method for creating a conjugated profile corresponding to a conjuga...

Motion converter with pinion sector/rack interface

Conjugate drive mechanism

Internal combustion engine with improved cycle dynamics

Motion arrester for a conjugate drive mechanism

Internal combustion engine with stroke specialized cylinders

Conjugate drive mechanism

Lubrication system for a conjugate drive mechanism

Motion converter with pinion sector/rack interface

Conjugate drive mechanism

Internal combustion engine with stroke specialized cylinders

Lubrication system for a conjugate drive mechanism

Internal combustion engine with improved cycle dynamics

Motion arrester for a conjugate drive mechanism

Apparatus for removing and installing valve-spring retainer assembl...

Motion converter with pinion sector/rack interface

Apparatus and method for removing and installing valve-spring retai...

Method for treating garbage disposal units

Motion converter

Device for converting linear motion to rotary motion or vice versa

Device for converting between rotary and rectilinear motion