P

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 patents
US4947302AAug 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 patents

US AIR FORCE

2 patents

AWAKE NETWORKS INC

2 patents

SMART DESIGN INC

1 patent

GEN HOUSEWARES CORP

1 patent

ROBINSON KNIFE COMPANY

1 patent

PIXELWORKS INC

1 patent

PAR SYSTEMS INC

1 patent

CALLAHAN MARIA

1 patent

JABIL INC

1 patent

NORRING MICHAEL

1 patent

BOSBOOM JEROEN

1 patent

Showing the top 50 of 67 patents by PatentIndex Score.