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ENTECH INC

Overview
  • Total Patents
    22
  • GoodIP Patent Rank
    225,572
  • Filing trend
    ⇩ 100.0%
About

ENTECH INC has a total of 22 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1984. It filed its patents most often in United States, EPO (European Patent Office) and Australia. Its main competitors in its focus markets environmental technology, semiconductors and machines are SOL FOCUS INC, SOLAR SYSTEMS PTY LTD and SUNFILM AG.

Patent filings per year

Chart showing ENTECH INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 O'Neill Mark J 9
#2 Choi Sang Jin 2
#3 Pope G Michael 2
#4 Lee Tae Woo 2
#5 Kim Woon Sup 2
#6 O'Neill Mark Joseph 2
#7 O'Neil Mark Joseph 2
#8 Kerr Donald F 2
#9 O'Neill Mark 1
#10 Potter Laurence A 1

Latest patents

Publication Filing date Title
KR20170099217A Sludge Treatment Apparatus
US2004262486A1 Sign post assembly and method for the same
US2001013207A1 Passive collimating tubular skylight
US6075200A Stretched Fresnel lens solar concentrator for space power
US6111190A Inflatable fresnel lens solar concentrator for space power
US6031179A Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof
US5498297A Photovoltaic receiver
US5505789A Line-focus photovoltaic module using solid optical secondaries for improved radiation resistance
US4781704A Feeding tube assembly with collapsible outlet connector
US4711972A Photovoltaic cell cover for use with a primary optical concentrator in a solar energy collector
US4719904A Solar thermal receiver
US4672949A Solar energy collector having an improved thermal receiver
US4545366A Bi-focussed solar energy concentrator