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L H CARBIDE CORP

Overview
  • Total Patents
    54
  • GoodIP Patent Rank
    232,324
About

L H CARBIDE CORP has a total of 54 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are ERNESTO MALVESTITI S P A, OBERG IND INC and KIENLE & SPIESS STANZ & DRUCK.

Patent filings per year

Chart showing L H CARBIDE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Neuenschwander Thomas R 50
#2 Lee Barry A 7
#3 Habegger Rick O 2
#4 Lee Barry Andrew 2
#5 Schrank Timothy L 2
#6 Abnet Delno C 2
#7 Shane Steven D 1
#8 Neuenschwander Thomas 1
#9 Barry A Lee 1
#10 Brenneke Doug 1

Latest patents

Publication Filing date Title
US2014290043A1 Continuously formed annular laminated article and method for its manufacture
US2014139067A1 Die assembly and method for manufacturing wound motor laminated article
US2007011866A1 Die assembly for manufacturing lamina stacks that include formed features
US2006070233A1 Die assembly and method for manufacturing lamina stacks from a plurality of separate strips of stock material
WO2006041470A1 Die assembly and method for manufacturing lamina stacks from a plurality of separate strips of stock material
US6877214B2 Method of manufacturing a stack of laminations
US7062841B2 Method of manufacturing a formable laminated stack in a progressive die assembly having a choke
US6725756B2 Two-piece metal punch construction
US6530142B2 Dual action indexing system and method for a die assembly
US6636137B1 Ignition coil assembly
US6484387B1 Progressive stamping die assembly having transversely movable die station and method of manufacturing a stack of laminae therewith
US6195875B1 Apparatus for manufacturing long, slender lamina stacks from nonuniform laminae
US6163949A Method for manufacturing long, slender lamina stack from nonuniform laminae
CA2336897A1 Long, slender lamina stacks of non-uniform laminae and method and apparatus for the manufacture thereof
US5960533A Apparatus for manufacture of laminated parts
US5755023A Lamina stack with at least one lamina layer having a plurality of discrete segments and an apparatus and method for manufacturing said stack
US5881450A Dual action indexing system and method for a die assembly
US5799387A Lamina stack having a plurality of outer perimeter configurations and an apparatus and method for manufacturing said stack
US5809638A Method for manufacturing laminated parts with center interlock
US5349741A Method of making an interlocked core spaced for anneal penetration