Michael Callahan

Person

New York, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Lighting equipment
- Patent number 12,117,163
- Issue date Oct 15, 2024
- Michael Callahan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chain motor power distribution and control
- Patent number 12,110,217
- Issue date Oct 8, 2024
- Michael Callahan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Twist-lock plug improved to positively lock with prior art receptacles
- Patent number 11,761,610
- Issue date Sep 19, 2023
- Michael Callahan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Distributable dimmer package having a six-circuit output connector...
- Patent number 11,592,167
- Issue date Feb 28, 2023
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Leg-carriage type trusses
- Patent number 11,359,374
- Issue date Jun 14, 2022
- Michael Callahan
- E04 - BUILDING
Information Patent Grant
Portable followspot stand having an improved range of height and ti...
- Patent number 11,187,398
- Issue date Nov 30, 2021
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Apparatus for steering a light beam using two mirrors having only o...
- Patent number 11,181,252
- Issue date Nov 23, 2021
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Adaptor for racking truss leg carriages
- Patent number 11,002,012
- Issue date May 11, 2021
- Michael Callahan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Leg carriage type trusses
- Patent number 10,745,915
- Issue date Aug 18, 2020
- Michael Callahan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Trusses and similar structures
- Patent number 10,214,904
- Issue date Feb 26, 2019
- Michael Callahan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Power and data distribution in lighting systems
- Patent number 6,469,457
- Issue date Oct 22, 2002
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting systems
- Patent number 6,211,627
- Issue date Apr 3, 2001
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Data distribution in lighting systems
- Patent number 5,821,703
- Issue date Oct 13, 1998
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Inductorless controlled transition light dimmers optimizing output...
- Patent number 5,672,941
- Issue date Sep 30, 1997
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Initializing controlled transition light dimmers
- Patent number 5,629,607
- Issue date May 13, 1997
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Power and signal distribution in lighting systems
- Patent number 5,455,490
- Issue date Oct 3, 1995
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Inductorless controlled transition and other light dimmers
- Patent number 5,319,301
- Issue date Jun 7, 1994
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Inductorless controlled transition and other light dimmers
- Patent number 5,225,765
- Issue date Jul 6, 1993
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Inductorless controlled transition and other light dimmers
- Patent number 4,975,629
- Issue date Dec 4, 1990
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Improvements to control systems for variable parameter lighting fix...
- Patent number 4,947,302
- Issue date Aug 7, 1990
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for mechanically adjusting lighting fixture beam azimuth...
- Patent number 4,931,916
- Issue date Jun 5, 1990
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Additive color-mixing light fixture employing a single moveable mul...
- Patent number 4,894,760
- Issue date Jan 16, 1990
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Light dimmer for distributed use employing inductorless controlled...
- Patent number 4,823,069
- Issue date Apr 18, 1989
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Control system for variable parameter lighting fixtures
- Patent number 4,797,795
- Issue date Jan 10, 1989
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Apparatus for mechanically adjusting lighting fixture azimuth and e...
- Patent number 4,769,743
- Issue date Sep 6, 1988
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Control system for variable parameter fixtures
- Patent number 4,697,227
- Issue date Sep 29, 1987
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Improved inductorless phase control dimmer power stage with semicon...
- Patent number 4,633,161
- Issue date Dec 30, 1986
- Michael Callahan
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Color changer mechanism
- Patent number 4,600,976
- Issue date Jul 15, 1986
- Michael Callahan
- F21 - LIGHTING
Information Patent Grant
Buss structures for multiscene manual lighting consoles
- Patent number 4,550,276
- Issue date Oct 29, 1985
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Followspot parameter feedback
- Patent number 4,527,198
- Issue date Jul 2, 1985
- Michael Callahan
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
CHAIN MOTOR POWER DISTRIBUTION AND CONTROL
- Publication number 20220324682
- Publication date Oct 13, 2022
- Michael Callahan
- B66 - HOISTING LIFTING HAULING
Information Patent Application
PORTABLE ASSEMBLY FOR DISTRIBUTING BOTH AC POWER AND DIGITAL CONTRO...
- Publication number 20220042670
- Publication date Feb 10, 2022
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
APPARATUS FOR STEERING A LIGHT BEAM USING TWO MIRRORS HAVING ONLY O...
- Publication number 20220042673
- Publication date Feb 10, 2022
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
LEG-CARRIAGE TYPE TRUSSES
- Publication number 20210262231
- Publication date Aug 26, 2021
- Michael Callahan
- E04 - BUILDING
Information Patent Application
MULTI-PARTY PREPARED BEVERAGE ORDER POLLING AND CONSOLIDATION
- Publication number 20210215329
- Publication date Jul 15, 2021
- Michael Callahan
- E04 - BUILDING
Information Patent Application
IN HEIGHT-ADJUSTABLE FOLLOWSPOT SUPPORT
- Publication number 20210025566
- Publication date Jan 28, 2021
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
LEG CARRIAGE TYPE TRUSSES
- Publication number 20200340249
- Publication date Oct 29, 2020
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
LIGHTING EQUIPMENT
- Publication number 20200109836
- Publication date Apr 9, 2020
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
Multi-Party Prepared Beverage Order Polling and Consolidation
- Publication number 20190257508
- Publication date Aug 22, 2019
- Michael Callahan
- E04 - BUILDING
Information Patent Application
TRUSSES AND SIMILAR STRUCTURES
- Publication number 20190257084
- Publication date Aug 22, 2019
- Michael Callahan
- E04 - BUILDING
Information Patent Application
Lighting Equipment
- Publication number 20180292069
- Publication date Oct 11, 2018
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
Portable apparatus for conditioning air
- Publication number 20170363277
- Publication date Dec 21, 2017
- Michael Callahan
- E04 - BUILDING
Information Patent Application
TRUSSES AND SIMILAR STRUCTURES
- Publication number 20170350123
- Publication date Dec 7, 2017
- Michael Callahan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
FOOD AND BEVERAGE PREPARATION AND RETAILING
- Publication number 20150324937
- Publication date Nov 12, 2015
- Michael Callahan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHTING SYSTEMS AND IMPROVEMENTS THERETO
- Publication number 20150315786
- Publication date Nov 5, 2015
- Michael Callahan
- E04 - BUILDING
Information Patent Application
Lighting systems and components thereof
- Publication number 20080165538
- Publication date Jul 10, 2008
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
Structures and components thereof
- Publication number 20070193186
- Publication date Aug 23, 2007
- Michael Callahan
- E04 - BUILDING
Information Patent Application
Lighting equipment
- Publication number 20070070585
- Publication date Mar 29, 2007
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Light modifier with spiral optical forms
- Publication number 20070025742
- Publication date Feb 1, 2007
- Michael Callahan
- G02 - OPTICS
Information Patent Application
Light modifier with spiral optical forms
- Publication number 20060193641
- Publication date Aug 31, 2006
- Michael Callahan
- G02 - OPTICS
Information Patent Application
Lighting systems and components thereof
- Publication number 20060133079
- Publication date Jun 22, 2006
- Michael Callahan
- F21 - LIGHTING
Information Patent Application
Method and system for providing access to content associated with a...
- Publication number 20050144165
- Publication date Jun 30, 2005
- Mohammad Hafizullah
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lighting systems
- Publication number 20050103326
- Publication date May 19, 2005
- Michael Callahan
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Lighting systems
- Publication number 20040212324
- Publication date Oct 28, 2004
- Michael Callahan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Structures and components thereof
- Publication number 20040187426
- Publication date Sep 30, 2004
- Michael Callahan
- E04 - BUILDING
Information Patent Application
Lighting systems
- Publication number 20020014867
- Publication date Feb 7, 2002
- Michael Callahan
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Michael Callahan

Person

Patents Grantslast 30 patents

Lighting equipment

Chain motor power distribution and control

Twist-lock plug improved to positively lock with prior art receptacles

Distributable dimmer package having a six-circuit output connector...

Leg-carriage type trusses

Portable followspot stand having an improved range of height and ti...

Apparatus for steering a light beam using two mirrors having only o...

Adaptor for racking truss leg carriages

Leg carriage type trusses

Trusses and similar structures

Power and data distribution in lighting systems

Lighting systems

Data distribution in lighting systems

Inductorless controlled transition light dimmers optimizing output...

Initializing controlled transition light dimmers

Power and signal distribution in lighting systems

Inductorless controlled transition and other light dimmers

Inductorless controlled transition and other light dimmers

Inductorless controlled transition and other light dimmers

Improvements to control systems for variable parameter lighting fix...

Apparatus for mechanically adjusting lighting fixture beam azimuth...

Additive color-mixing light fixture employing a single moveable mul...

Light dimmer for distributed use employing inductorless controlled...

Control system for variable parameter lighting fixtures

Apparatus for mechanically adjusting lighting fixture azimuth and e...

Control system for variable parameter fixtures

Improved inductorless phase control dimmer power stage with semicon...

Color changer mechanism

Buss structures for multiscene manual lighting consoles

Followspot parameter feedback

Patents Applicationslast 30 patents

CHAIN MOTOR POWER DISTRIBUTION AND CONTROL

PORTABLE ASSEMBLY FOR DISTRIBUTING BOTH AC POWER AND DIGITAL CONTRO...

APPARATUS FOR STEERING A LIGHT BEAM USING TWO MIRRORS HAVING ONLY O...

LEG-CARRIAGE TYPE TRUSSES

MULTI-PARTY PREPARED BEVERAGE ORDER POLLING AND CONSOLIDATION

IN HEIGHT-ADJUSTABLE FOLLOWSPOT SUPPORT

LEG CARRIAGE TYPE TRUSSES

LIGHTING EQUIPMENT

Multi-Party Prepared Beverage Order Polling and Consolidation

TRUSSES AND SIMILAR STRUCTURES

Lighting Equipment

Portable apparatus for conditioning air

TRUSSES AND SIMILAR STRUCTURES

FOOD AND BEVERAGE PREPARATION AND RETAILING

LIGHTING SYSTEMS AND IMPROVEMENTS THERETO

Lighting systems and components thereof

Structures and components thereof

Lighting equipment

Light modifier with spiral optical forms

Light modifier with spiral optical forms

Lighting systems and components thereof

Method and system for providing access to content associated with a...

Lighting systems

Lighting systems

Structures and components thereof

Lighting systems