Resources Contact Us Home
Dowdican; Frank W.
Portland, OR
No. of patents:

Patent Number Title Of Patent Date Issued
5797419 Sewer line trap priming assembly and antisiphoning conduit component therefor August 25, 1998
An automatic sewer line trap priming assembly including a gap type, anti-siphoning conduit component. A shielded and directed jet at timed intervals directs priming water increments into a receiving funnel which communicates with the trap.
5678588 Sewer line multiple trap priming system and method October 21, 1997
A sewer line multiple trap priming system comprises a house line and a plurality of branch lines all communicating with each other and supplied with water under pressure. A plurality of makeup priming water lines are connected, one to each of the traps. In all but one of the branch lines

  Recently Added Patents
Inkjet ink
Node and wireless sensor network comprising the node
Device chip carriers, modules, and methods of forming thereof
Verifiable service policy implementation for intermediate networking devices
Cylindrical LED fixture
Decoding and presentation time stamps for MPEG-4 advanced video coding
Sensing during magnetic resonance imaging
  Randomly Featured Patents
Process for the production of a semiconductor luminescence diode
Compositions and methods for increasing animal size growth rate
Generator with DC boost for uninterruptible power supply system or for enhanced load pickup
Traffic information display device method of displaying traffic information and medium on which display control program for use in traffic information display device is recorded
High-solids coating compositions
Vehicle AC generator
Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
Filter mounting adapter and fitting mounted to same
Conduit guide fitting