HAMMOND CLOCK COMPANY innovation strategy

Patent filings in countries

#	Industry
#1	Measurement
#2	Electrical machinery and energy
#3	Machines
#4	Environmental technology
#5	Machine tools

#	Technology
#1	Electromechanical clocks
#2	Dynamo-electric machines
#3	Mechanically-driven clocks
#4	Unspecified technologies
#5	Reduction of greenhouse gas emissions
#6	Punching metal

Publication	Filing date	Title
US2003116A	1932-05-09	Electric clock motor
US2080371A	1932-05-09	Motor
GB394751A	1932-02-12	Improvements in synchronous electric time-keeping devices
US2067708A	1931-12-02	Electric clock
US2020388A	1931-10-03	Alarm clock
US2042337A	1931-09-12	Calendar clock
US2013208A	1931-09-12	Electric clock
GB379065A	1931-07-28	Improvements in synchronous motors and the method of making same
US1985388A	1931-06-17	Calendar clock
US1934387A	1931-03-02	Electric alarm clock
US2027531A	1931-02-13	Electric alarm clock
GB368771A	1930-09-04	Improvements in or relating to alternating current synchronous motors
US1915090A	1930-07-30	Synchronous motor
US1867315A	1930-07-30	Synchronous motor
US1873397A	1930-07-30	Method of making stator and rotor plates
GB355730A	1930-05-19	Improvements in or relating to alternating current electric motors
US1960672A	1929-11-02	Frequency indicating and control apparatus
US1924853A	1929-09-05	Alternating current clock
US1797912A	1929-06-18	Alternating-current clock
US1796649A	1928-02-17	Alternating-current clock