STRAND ELECTRIC AND ENGINEERIN innovation strategy

Patent filings in countries

#	Industry
#1	Electrical machinery and energy
#2	Control

#	Technology
#1	Special electric heating or lighting
#2	Control or regulating systems
#3	Lighting device details
#4	Indexing scheme for uses of lighting devices
#5	Electric switches
#6	Systems for regulating electrical variables

Publication	Filing date	Title
GB1083408A	1965-06-28	Stage lighting control units
GB1063392A	1963-09-13	Improvements in or relating to spotlights
US3004193A	1959-08-19	Control of lighting for variable effect
GB918527A	1958-08-22	Improvements in the control of lighting for variable effect
FR984184A	1949-04-04	Method and apparatus for controlling electric lighting installations for theaters, decoration, etc.
US2550317A	1949-04-04	Control of stage, decorative, or similar lighting apparatus
GB648796A	1948-04-15	Improvements in or relating to the control of stage, decorative or similar lighting apparatus
GB492650A	1937-02-17	Improvements in or relating to dimmers for electric lighting systems for theatres, cinemas, ballrooms, or other buildings in connection with which lighting of variable effect is required
GB475135A	1936-05-18	Improvements in or relating to the control of electric lighting systems for theatres, cinemas, ballrooms or other buildings in connection with which lighting of variableeffect is required
CA821638A	None	Stage lighting control unit
CA786918A	None	Stage lighting control units
CA640649A	None	Control of lighting for variable effect