TREA

ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.

Follow

Organization

  • LEXINGTON, MA, US
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Infrared detector for NDIR gas analysis
    • Patent number 4,605,313
    • Issue date Aug 12, 1986
    • Environmental Research & Technology, Inc.
    • Paul L. Kebabian
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Activated sludge wastewater treating process
    • Patent number 4,537,682
    • Issue date Aug 27, 1985
    • Environmental Research & Technology
    • George M. Wong-Chong
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process for purifying hydrocarbonaceous oils
    • Patent number 4,485,007
    • Issue date Nov 27, 1984
    • Environmental Research and Technology Inc.
    • Patrick S. Tam
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Dual frequency laser
    • Patent number 4,397,025
    • Issue date Aug 2, 1983
    • Environmental Research & Technology, Inc.
    • Paul L. Kebabian
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light equalizer and method of making same
    • Patent number 4,112,028
    • Issue date Sep 5, 1978
    • Environmental Research & Technology, Inc.
    • Henry H. Blau
    • G02 - OPTICS
  • Information Patent Grant

    Method of making a light equalizer
    • Patent number 4,111,731
    • Issue date Sep 5, 1978
    • Environmental Research & Technology, Inc.
    • Henry H. Blau
    • G02 - OPTICS
  • Information Patent Grant

    Gas detector
    • Patent number 4,059,356
    • Issue date Nov 22, 1977
    • Environmental Research & Technology, Inc.
    • Paul L. Kebabian
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Optical system using light equalizer with partially reflective plan...
    • Patent number 3,997,240
    • Issue date Dec 14, 1976
    • Environmental Research & Technology, Inc.
    • Paul L. Kebabian
    • G02 - OPTICS
  • Information Patent Grant

    Light equalizer
    • Patent number 3,970,375
    • Issue date Jul 20, 1976
    • Environmental Research & Technology, Inc.
    • Henry H. Blau
    • G02 - OPTICS

Trademarklast 30 trademarks

  • Information Trademark

    73510533 - ERT
    • Serial number 73510533
    • Registration number 1380759
    • Filing date Nov 26, 1984
    • Environmental Research & Technology, Inc.
    • 37 - Building construction
  • Information Trademark

    73214460 - BIOSTRAT
    • Serial number 73214460
    • Registration number 1173699
    • Filing date May 7, 1979
    • Environmental Research & Technology, Inc.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73212799 - FLEETMAP
    • Serial number 73212799
    • Registration number 1159499
    • Filing date Apr 23, 1979
    • Environmental Research & Technology, Inc.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73212833 - MOTR
    • Serial number 73212833
    • Registration number 1179575
    • Filing date Apr 23, 1979
    • Environmental Research & Technology, Inc.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73176534 - ENVIRONET
    • Serial number 73176534
    • Registration number 1131016
    • Filing date Jun 29, 1978
    • ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73175489 - SEAMAP
    • Serial number 73175489
    • Registration number 1122104
    • Filing date Jun 22, 1978
    • ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73095151 - ERT
    • Serial number 73095151
    • Registration number 1105809
    • Filing date Jul 30, 1976
    • ENVIRONMENTAL RESEARCH AND TECHNOLOGY,INC.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73034579 - ENVIROMAP
    • Serial number 73034579
    • Registration number 1026399
    • Filing date Oct 15, 1974
    • ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73026172 - RADMAP
    • Serial number 73026172
    • Registration number 1011743
    • Filing date Jul 5, 1974
    • ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.
    • 42 - Scientific and technological services and research and design relating thereto
  • Information Trademark

    73026173 - WATERMAP
    • Serial number 73026173
    • Registration number 1010079
    • Filing date Jul 5, 1974
    • ENVIRONMENTAL RESEARCH & TECHNOLOGY, INC.
    • 42 - Scientific and technological services and research and design relating thereto