Resources Contact Us Home
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
One-dimensional metal nanostructures
Method and apparatus for reducing and controlling highway congestion to save on fuel costs
Computer network running a distributed application
Electrode structure and its manufacturing method, and semiconductor module
Check weigher comprising of a rotating weighing chute with an accumulating and a discharge position that calculates flow rate by measuring weight accumulated during a predetermined time interv
Controller for flexible and extensible flow processing in software-defined networks
Pressure-applying member, fixing device, and image forming apparatus
  Randomly Featured Patents
Beverage container with straw
Vibration reducing plastic gear
Footwear upper portion
Electrical connector assembly with terminal position assurance device
Image inputting device
Coin dispensing apparatus
Wall mounted ski holder
Formable vinyl chloride resin composition for powder molding and method for producing same
Drug-dispensing device and method
Optoelectronic semiconductor body and method for producing the same