in combination with tubes

Patents Grantslast 30 patents

  • Information Patent Grant

    Non-powered seawater pumping system for reducing seawater intrusion...

    • Patent number 11,987,962
    • Issue date May 21, 2024
    • DONG-A UNIVERSITY RESEARCH FOUNDATION FOR INDUSTRY-ACADEMY COOPERATION
    • Namsik Park
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Non-powered seawater pumping system for reducing seawater intrusion...

    • Patent number 11,680,390
    • Issue date Jun 20, 2023
    • Dong-A University Research Foundation for Industry-Academy Cooperation
    • Namsik Park
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Non-powered seawater pumping system for reducing seawater intrusion...

    • Patent number 10,815,648
    • Issue date Oct 27, 2020
    • Dong-A University Research Foundation for Industry-Academy Corporation
    • Namsik Park
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Ocean water drawing system

    • Patent number 7,967,529
    • Issue date Jun 28, 2011
    • Yeh-Huei Kuo
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Wide area water collection type underground water tank

    • Patent number 6,382,237
    • Issue date May 7, 2002
    • Totetu Mfg. Co. Ltd.
    • Seiichiro Takai
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Internally reinforced extruded plastic pipe

    • Patent number 4,650,367
    • Issue date Mar 17, 1987
    • Daniel P. Dietzler
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Internally reinforced extruded plastic pipe

    • Patent number 4,596,491
    • Issue date Jun 24, 1986
    • Daniel P. Dietzler
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3431991

    • Patent number 3,431,991
    • Issue date Mar 11, 1969
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3312284

    • Patent number 3,312,284
    • Issue date Apr 4, 1967
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3261401

    • Patent number 3,261,401
    • Issue date Jul 19, 1966
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3177955

    • Patent number 3,177,955
    • Issue date Apr 13, 1965
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    3007522

    • Patent number 3,007,522
    • Issue date Nov 7, 1961
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2928468

    • Patent number 2,928,468
    • Issue date Mar 15, 1960
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2756020

    • Patent number 2,756,020
    • Issue date Jul 24, 1956
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2740476

    • Patent number 2,740,476
    • Issue date Apr 3, 1956
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2707616

    • Patent number 2,707,616
    • Issue date May 3, 1955
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2670180

    • Patent number 2,670,180
    • Issue date Feb 23, 1954
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2622683

    • Patent number 2,622,683
    • Issue date Dec 23, 1952
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2550408

    • Patent number 2,550,408
    • Issue date Apr 24, 1951
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2126575

    • Patent number 2,126,575
    • Issue date Aug 9, 1938
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2126576

    • Patent number 2,126,576
    • Issue date Aug 9, 1938
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents