Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 137/247.47
Name: Fluid handling > With liquid valves or liquid trap seals > Liquid seal in liquid flow line; flow liquid forms seal > U-seals > Enlarged upflow leg > Topside access opening
Description: Seals with a top side access means located above the liquid seal level.










Patents under this class:

Patent Number Title Of Patent Date Issued
4487219 Floor drain or some other cupped water seal Dec. 11, 1984











 
 
  Recently Added Patents
Apparatus and method for encoding/decoding signal
Philanthropy management apparatus, system, and methods of use and doing business
Rear bumper for an automobile
Gemstone
Optical receiver and optical transfer apparatus
Use of cocoa extract
Image forming apparatus to automatically select a communication condition
  Randomly Featured Patents
Coaster for beverage container
High-speed automatic storage and retrieval system and apparatus therefor
Nozzle for cutting beard removal
Audio frequency power amplifiers with actively damped filter
Spark plug with high durability
Method and apparatus for synchronizing to a synchronous selective call signal
Cytokine zalpha11 ligand antibodies and methods of use
Fluidic element noise and vibration control constructs and methods
Manually operated, walk-behind, roadway roller
Analytic method and system for optimizing and accelerating sales