Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 137/247.19
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > Valves > Line condition change responsive > Pivoted valve
Description: Apparatus in which the valve is pivoted.

Patents under this class:

Patent Number Title Of Patent Date Issued
6543470 Flexible trap for drains Apr. 8, 2003
6279601 Liquid zone seal Aug. 28, 2001
4555820 Drain pipe system Dec. 3, 1985
4215716 One-way conduit closure Aug. 5, 1980
4074686 Manually closable anti-backup trap Feb. 21, 1978

  Recently Added Patents
Wafer processing method and system using multi-zone chuck
Method for correcting integrating cavity effect for calibration and/or characterization targets
Solar cell using polymer-dispersed liquid crystals
LED package with top and bottom electrodes
Process for the preparation of protected L-alanine derivatives
Mitigating single point failure of devices in an analyte monitoring system and methods thereof
Selection of a suitable node to host a virtual machine in an environment containing a large number of nodes
  Randomly Featured Patents
Fused heterocyclic compounds as peptidase inhibitors
.beta.-lactamyl vasopressin V.sub.1a antagonists
Crib endboard
Paint brush hanger
Transparent electromagnetic applicator and hyperthermia treatment method
Electronic circuit having comparator
Protective catheter sleeve
Methods and apparatus for collecting performance metrics from a web site
Discharge system for compressors