Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 417/135
Name: Pumps > One fluid pumped by contact or entrainment with another > Liquid pumped by supplying or exhausting gaseous motive fluid to or from pumping chamber > With float actuated control means > Control of motive fluid outlet > With control of pumped fluid outlet
Description: Apparatus wherein said buoyant means further controls the flow of fluid which is pumped from the pumping chamber.










Patents under this class:

Patent Number Title Of Patent Date Issued
8594851 Wastewater collection flow management system and techniques Nov. 26, 2013
6244828 Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve Jun. 12, 2001
5938409 Gas powered fluid pump with exhaust assist valve Aug. 17, 1999
5401142 Condensate discharging device Mar. 28, 1995
5366349 Automatic liquid pump with vapor flow prevention flow outlet valve Nov. 22, 1994
4842487 Pumping device using pressurized gas Jun. 27, 1989
4828461 Apparatus for metering flowable materials in sand core making machines May. 9, 1989
4770610 Frail material slurry pump Sep. 13, 1988











 
 
  Recently Added Patents
Signal processing device and method for providing oscillating signal in the signal processing device
Food-grade flour from dry fractionated corn germ and collet composition and method for producing same
Group of amino substituted benzoyl derivatives and their preparation and their use
Human and mouse targeting peptides identified by phage display
Encoder that optically detects positional information of a moving body from different optical paths lengths
Substituted thiophene pentamers
Method for producing SOI substrate and SOI substrate
  Randomly Featured Patents
Vehicle rear lower bumper cover
Printed circuit board manufacture
Recording medium, recording method and apparatus, and reproduction method and apparatus
Dispensing device fitted with fixing ring
Method and device for transferring condensates from a low pressure network into a high pressure network in a system of generation, distribution and utilization of condensable vapor
Solid state laser oscillator and machining apparatus using the same
Micro-optoelectromechanical system based device with aligned structures and method for fabricating same
Partial configuration of a programmable gate array using a bus macro and coupling the third design
Stabilized polyolefin composition
Method and a system for controlling tension of paper and foil webs