| ENVIROTECH PUMPSYSTEMS, INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120014783 | Apparatus For Non-Clogging Pumps - Improvements in the operation and maintenance of non-clogging pumps are provided which increase pump efficiencies through improved impeller design and vacuum assembly design, and which increase seal lubrication efficiencies through improved seal lubricant reservoir system design. | 01-19-2012 |
| 20110280714 | Two-Piece Bearing Housing For A Centrifugal Pump - A two-piece bearing housing is provided for use in centrifugal pumps having or requiring multiple chambers for enclosing or confining bearings or seals, and/or providing lubricant or coolant to the bearings and seals of the pump, the two-piece housing providing several improvements including the ability to make the two pieces from different materials, the reduction in scrap castings due to imprecision achieved in the casting process and improved structures in the housing for monitoring the lubricant chambers in the housing. | 11-17-2011 |
| 20100313972 | Check Valve For A Self-Priming Pump - A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump. | 12-16-2010 |
