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SPARTON CORP

Overview
  • Total Patents
    198
  • GoodIP Patent Rank
    138,195
About

SPARTON CORP has a total of 198 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, consumer goods and transport are GARRATT WALTER A, PARALLEL DESIGN INC and TENRYU TECHNIC KK.

Patent filings per year

Chart showing SPARTON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wilson Carl R 13
#2 Rempinski Donald R 12
#3 Widenhofer James W 10
#4 Britt Donald R 10
#5 Smith Robert E 8
#6 Hertenstein Jeffrey G 8
#7 Boyle Charles F 7
#8 Neese James A 7
#9 Bendix Lendon L 7
#10 Loveless Don L 6

Latest patents

Publication Filing date Title
US2020098344A1 Circuit board with dielectric surface switch and embedded metamaterials providing increased arc resistance
US9841145B1 Axial piercing mechanism for pressurized gas canister
US2017040902A1 Switching mode power amplifier with load isolation
US2016316553A1 Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials
US2016178317A1 Payload launch system and method
US2015245548A1 Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials
WO9852170A1 Plastic horn
WO9912399A1 Electronic ballast
US5379267A Buoyancy control system
CA2139343A1 Multi-sound vehicle horn system
US5267714A Fuel tank hanger strap
US5229980A Broadband electroacoustic transducer
US5251723A Service brake and shift lever interlock system
US5414406A Self-tuning vehicle horn
US5266921A Method and apparatus for adjusting vehicle horns
US5251877A Sheave plate and cable assembly for a tire lift/carrier winch
US5160913A Electric horn with solid state driver
US5161182A Remote meter reading method and apparatus
US5293149A Vehicle horn with electronic solid state energizing circuit
US5265708A Clutch for tire lift/carrier winch