HALLETT MFG COMPANY innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	23

#	Industry
#1	Engines, pumps and turbines
#2	Electrical machinery and energy
#3	Telecommunications
#4	Machines
#5	Environmental technology
#6	Mechanical elements

#	Technology
#1	Ignition for internal-combustion engines
#2	Transmission
#3	Spark gaps and corona devices
#4	Unspecified technologies
#5	Internal-combustion piston engines
#6	Magnets and transformers
#7	Cooling of machines
#8	Pipes
#9	Electrically-conductive connections
#10	Climate change mitigation in transportation

Publication	Filing date	Title
US3391381A	1965-10-23	Shielded electrical connector
US3292605A	1964-04-24	Sheathed ignition wire support and sheath connector
US3293352A	1964-04-24	Spark plug attachment for grounding sheathed wires
US3128139A	1960-06-27	Spark plug shield
US3048704A	1960-06-09	Coil shield
US2987587A	1959-07-16	Electrically shielded cap for a unit of the ignition system of internal-combustion engines
US2666092A	1951-06-18	Shielding container
US2715152A	1951-06-18	Sealed container
US2688170A	1951-03-31	Strap clamp
US2758580A	1951-03-08	Internal combustion engine
US2525131A	1946-04-15	Diesel engine
US2503946A	1946-04-15	Governor for engines
US2462491A	1945-10-22	Ignition coil and filter shield assembly
US2448711A	1945-09-28	Dual filter and connection shield
US2462489A	1945-09-17	Multiple shielded assembly unit
US2462490A	1945-09-17	Shielded housing for ignition coils and filters
US2465447A	1945-09-17	Distributor shield
US2358972A	1943-01-19	Spark plug shield
US2377628A	1942-06-15	Battery and magneto switch shield
US2367396A	1942-06-15	Combination coil and resistor shield