Inventor
CALLAHAN MICHAEL
US67 patents
⚠️ This page may combine multiple inventors who share the name “CALLAHAN MICHAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALLAHAN MICHAEL
31 patentsUS4947302AAug 7, 1990
Improvements to control systems for variable parameter lighting fixtures
CALLAHAN MICHAEL232 citations99
US5319301AJun 7, 1994
Inductorless controlled transition and other light dimmers
CALLAHAN MICHAEL171 citations98
US5225765AJul 6, 1993
Inductorless controlled transition and other light dimmers
CALLAHAN MICHAEL220 citations98
US4894760AJan 16, 1990
Additive color-mixing light fixture employing a single moveable multi-filter array
CALLAHAN MICHAEL94 citations96
US4823069AApr 18, 1989
Light dimmer for distributed use employing inductorless controlled transition phase control power stage
CALLAHAN MICHAEL71 citations96
US4697227ASep 29, 1987
Control system for variable parameter fixtures
CALLAHAN MICHAEL86 citations96
US4633161ADec 30, 1986
Improved inductorless phase control dimmer power stage with semiconductor controlled voltage rise time
CALLAHAN MICHAEL86 citations96
US4527198AJul 2, 1985
Followspot parameter feedback
CALLAHAN MICHAEL59 citations96
US4931916AJun 5, 1990
Apparatus for mechanically adjusting lighting fixture beam azimuth and elevation
CALLAHAN MICHAEL35 citations93
US4797795AJan 10, 1989
Control system for variable parameter lighting fixtures
CALLAHAN MICHAEL54 citations93
US4769743ASep 6, 1988
Apparatus for mechanically adjusting lighting fixture azimuth and elevation
CALLAHAN MICHAEL26 citations93
US4600976AJul 15, 1986
Color changer mechanism
CALLAHAN MICHAEL27 citations93
US4460943AJul 17, 1984
Azimuth and elevation control system
CALLAHAN MICHAEL28 citations93
US4975629ADec 4, 1990
Inductorless controlled transition and other light dimmers
CALLAHAN MICHAEL29 citations92
US4550276AOct 29, 1985
Buss structures for multiscene manual lighting consoles
CALLAHAN MICHAEL43 citations92
US10214904B2Feb 26, 2019
Trusses and similar structures
CALLAHAN MICHAEL6 citations84
US10162818B2Dec 25, 2018
Neural translator
CALLAHAN MICHAEL3 citations84
US8949129B2Feb 3, 2015
Neural translator
CALLAHAN MICHAEL4 citations84
US8898250B2Nov 25, 2014
Anonymous digital identification
CALLAHAN MICHAEL8 citations84
US11359374B2Jun 14, 2022
Leg-carriage type trusses
CALLAHAN MICHAEL2 citations73
US11205054B2Dec 21, 2021
Neural translator
CALLAHAN MICHAEL2 citations73
US9989473B2Jun 5, 2018
Portable liquid analyzer
CALLAHAN MICHAEL3 citations73
US9772997B2Sep 26, 2017
Neural translator
CALLAHAN MICHAEL2 citations73
US9633372B2Apr 25, 2017
Anonymous digital identification
CALLAHAN MICHAEL2 citations73
US12377345B2Aug 5, 2025
Methods and systems for interactive gaming platform scene generation utilizing captured visual data and artificial intelligence-generated environment
CALLAHAN MICHAEL0 citations63
US12117163B2Oct 15, 2024
Lighting equipment
CALLAHAN MICHAEL0 citations63
US12110217B2Oct 8, 2024
Chain motor power distribution and control
CALLAHAN MICHAEL0 citations63
US11761610B2Sep 19, 2023
Twist-lock plug improved to positively lock with prior art receptacles
CALLAHAN MICHAEL0 citations63
US11592167B1Feb 28, 2023
Distributable dimmer package having a six-circuit output connector and re-configurable power input
CALLAHAN MICHAEL0 citations63
US11413520B2Aug 16, 2022
Method and system for a personal interaction game platform
CALLAHAN MICHAEL0 citations63
US11187398B2Nov 30, 2021
Portable followspot stand having an improved range of height and tilt angle adjustment
CALLAHAN MICHAEL0 citations63
(unassigned)
6 patentsUS6469457B2Oct 22, 2002
Power and data distribution in lighting systems
134 citations99
US6211627B1Apr 3, 2001
Lighting systems
148 citations99
US5629607AMay 13, 1997
Initializing controlled transition light dimmers
144 citations98
US5821703AOct 13, 1998
Data distribution in lighting systems
89 citations95
US5672941ASep 30, 1997
Inductorless controlled transition light dimmers optimizing output waveforms
87 citations95
US5455490AOct 3, 1995
Power and signal distribution in lighting systems
48 citations95
US AIR FORCE
2 patentsAWAKE NETWORKS INC
2 patentsSMART DESIGN INC
1 patentGEN HOUSEWARES CORP
1 patentROBINSON KNIFE COMPANY
1 patentPIXELWORKS INC
1 patentPAR SYSTEMS INC
1 patentCALLAHAN MARIA
1 patentJABIL INC
1 patentNORRING MICHAEL
1 patentBOSBOOM JEROEN
1 patentShowing the top 50 of 67 patents by PatentIndex Score.