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LEE YUAN HO

Overview
  • Total Patents
    100
About

LEE YUAN HO has a total of 100 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Germany and India. Its main competitors in its focus markets machine tools, civil engineering and machines are YUAN HO LEE, ROCFORM CORP and CHOQUET BERNARD.

Patent filings per year

Chart showing LEE YUAN HOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Yuan-Ho 46
#2 Lee Yuan Ho 34
#3 Ho Lee Yuan 1

Latest patents

Publication Filing date Title
US5197827A Method for lowering a basement structure
EP0404509A1 Process for forming concrete wall
KR930001097B1 Modular concrete form
KR930001464B1 Method of dismantling form panels
KR930005459B1 Pile-drive working system and a pile for under ground structure
US4984764A Form with form stripping mechanism
US4938634A Process for lowering basement
US5028364A Process for forming concrete structures and stripping concrete forms
US4957272A Modular concrete form
US4901497A Fastener for form panels
US4955579A Concrete forming device with corner forming accessory
US4949935A Apparatus for positioning and supporting an inner mold panel of a form
US5004375A Basement piles and basement construction method associated therewith
US4990082A Vibrator with suction apparatus
US4966511A Expansion bolt unit for repeated use
US4846438A Molding device with hand operable mold
EP0225093A1 Molding device for modular concrete unit
GB8604566D0 Moulding device for modular concrete unit
DD235293A5 Method and device for producing a multi-sided concrete wall
BE901756A Method of forming closed concrete wall - involves using contractible internal shuttering with removable wedge bars