Patents

Products manufactured and/or sold by Hydro International and our affiliates may be protected by one or more patents as listed below.

This list associates products and patents and is posted on the internet to provide notice to the public of the patents listed. This list is provided in compliance with virtual patent marking requirements. Some product model (variants) may not be associated with a corresponding patent. 

The patent list is subject to change, due to, but not limited to: filing, publication, issuance, licensing, product changes, expiration, abandonment, and other circumstances. The content of this list is updated from time to time but may not be up to date at the specific time you visit this link.

Patent applications may be pending or published and patents may have been issued that are not identified on this list.

Patents

Downstream Defender®

  • EP1651325
  • AU2004251495
  • CA2530638
  • GB2403170
  • KR101098332
  • NZ544891
  • US7699984

First Defense®

  • GB2447168
  • CA2516248
  • GB2417437
  • IE085329
  • IE085341
  • KR101282987
  • US7344636

FIrst Defense® HC

  • EP3033456
  • AU2014307787
  • CA2920358
  • CA2964983
  • CN201480056248.8
  • US9315981

HeadCell®

  • CA2326467
  • US6852239
  • US6645382

HeliScreen®

  • GB2356157
  • AU2001256497
  • CA2420641
  • JP4526761
  • KR100834924
  • US6953524

Hydro-Brake®

  • EP2320096
  • AU2008278856
  • CA2692007
  • CN200880100609.9
  • EP2174018
  • GB2451285
  • GB2486989
  • NZ582844
  • NZ598739
  • US8555924

Hydro-Brake® Chamber

  • GB2405157

Hydro-Brake® Drop

  • GB (Pending)
  • US9739064

Hydro-Brake® Optimum

  • CA (Pending)
  • CN01380041172.7
  • GB2504528
  • US9625914

Hydro-Brake® P

  • CN (Pending)
  • GB2515135
  • US10145099

Hydro MicroScreen

  • AU2013222420
  • CA (Pending)
  • US8302780

Hydro-Static® Screen

  • EP1434918
  • CA2463165
  • GB2380691
  • US7094337

Up-Flo® Filter

  • EP2297408
  • ES2297408
  • AU2009245456
  • CA2723764
  • GB2459896
  • JP5677939
  • KR101629695
  • NZ589090
  • NZ599234
  • US8480887
  • US8623204
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