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SPANG & COMPANY

Overview
  • Total Patents
    25
About

SPANG & COMPANY has a total of 25 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States, Canada and China. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and machines are SHENZHEN ZHENHUA FERRITE & CERAMIC ELECTRONICS CO LTD, HANSER VOLKER WERNER and LAKEVIEW METALS INC.

Patent filings per year

Chart showing SPANG & COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huth Joseph F Iii 7
#2 Bosley Lowell M 5
#3 Spang Ferdinand J 5
#4 Huth Iii Joseph F 4
#5 Fanton Mark A 4
#6 Hill Peter C 3
#7 Underbrink John 2
#8 Rath Frank E 2
#9 Spence Steven W 2
#10 Olmsted Robert W 1

Latest patents

Publication Filing date Title
WO2007133399A2 Electromagnetic assemblies, core segments that form the same, and their methods of manufacture
MXPA06005833A Ferrite materials, methods of preparing the same, and products formed therefrom.
CA2547535A1 Ferrite materials, methods of preparing the same, and products formed therefrom
US2007261231A1 Methods of manufacturing and assembling electromagnetic assemblies and core segments that form the same
US2007262839A1 Electromagnetic assemblies, core segments that form the same, and their methods of manufacture
US2004060483A1 Convertible table and easel apparatus
US6858155B1 Ferrite materials, methods of preparing the same, and products formed therefrom
US6611972B2 Sink with foldable faucet assembly and multiple-purpose support structure
US6283546B1 Multi-position chair
US6089663A Video game accessory chair apparatus
US4793611A Adjustable height toy basketball goal
US4523170A Adjustable air gap ferrite structures and methods of manufacture
US4558295A Tunable-inductance magnetically-soft ferrite core structures
US3157367A Rotary impeller type impact apparatus
US3049305A Process for recovering substantially clean magnetic metal pieces and magnetic oxides from steel plant debris
US2815687A Die blocks for forging a cable tool drill bit
US2705998A Ripper for well casing
US2661930A Integral bit, rope socket, and jar tool
US2661636A Process for forming cable tool drill bits
US2665164A Well fishing socket or tool