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
Crystal structure of human JAK3 kinase domain complex and binding pockets thereof
Adjustable draw bar for trailer hitches
Substituted indolo 4,3 FG quinolines useful for treating migraine
SONOS stack with split nitride memory layer
Catalyst and process of hydrocarbon feedstock reformation to hydrogen and carbon monoxide
Visualization of information associated with applications in user interfaces
Process cartridge and electrophotographic image forming apparatus
  Randomly Featured Patents
Metal-clad laminate
Foldable apron
Cube corner cavity based retroreflectors and methods for making same
Clip that aligns a fiber optic cable with a laser diode within a fiber optic module
Compact Lightweight ring laser gyro
Diagnostic system employing a unitary substrate to immobilize microspheres
Optical switch
Tip turning apparatus for cigarettes or the like
Resonant power converter comprising a matched piezoelectric transformer
Rodent model of central neuropathic pain