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LEYMAN CORP

Overview
  • Total Patents
    33
About

LEYMAN CORP has a total of 33 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and materials and metallurgy are SPANG & COMPANY, SPANG IND INC and STEWARD INC.

Patent filings in countries

World map showing LEYMAN CORPs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 George Homanick 7
#2 O'Neill Joseph V 7
#3 Walter Scott Jr Blume 5
#4 Blume Jr Walter S 5
#5 Blume Walter S 4
#6 Blume Walter S Jr 3
#7 Kintigh Doyle L 1
#8 Homanick George 1
#9 Scott Blume Jun Walter 1
#10 Mccue Alfred W 1

Latest patents

Publication Filing date Title
US3299957A Drill string suspension arrangement
GB1070729A Method of producing permanent magnets
US3236928A Method of producing curved radially aligned matrix bonded fine particle permanent magnets
US3211966A Permanent magnets having a plurality of openings therein
US3285079A Method and apparatus for transferring articles
US3246060A Method of making machinable high energy permanent magnets
US3294185A Automated well drilling apparatus
US3266582A Drilling system
US3246547A Drill string suspension arrangement
US3121131A Method of improving the elasticity of rubber bonded magnets
US3127544A Apparatus for magnetizing permanent magnet materials to form band-like poles thereon
US3158213A Drill string suspension arrangement
US3141050A Mechanical orientation of magnetically anisotropic particles
US3145786A Portable drill rig
GB860220A Mechanical orientation of magnetically anisotropic particles
US3359152A Machinable anisotropic magnet
GB870573A Permanent magnets
US2999275A Mechanical orientation of magnetically anisotropic particles
US2964793A Method of making permanent magnets
US3158211A Well drilling apparatus