Vacuum loader with silencer base
CA 1290109 C · Owner: Demarco, Thomas M. · Inventors: Demarco, Thomas M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A unique vacuum loader is provided with a special silencer base to quietly, efficiently, and effectively remove particulate matter, debris and waste from industrial plants and other locations. The silencer base comprises a muffler and sound abatement control assembly with a composite sound attenuating chamber. The sound attenuating chamber has a zigzag channel to decrease and dampen operational noises to safe and comfortable levels. The silencer base has a top plate to support and dampen vibrations of the vacuum pump and motor.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.