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
Method for increasing expression of active tumor necrosis factor receptor family member-Ig fusion proteins
Display device substrate, method for manufacturing the same, display device, method for forming multi-layer wiring, and multi-layer wiring substrate
Motion compensated overlay
Method and systems for detecting duplicate travel path
Systems and methods for generating customized user interfaces
Sliding-type portable communication device
Method of isolating human neuroepithelial precursor cells from human fetal tissue
  Randomly Featured Patents
Ignition system for gasoline powered boats
Portion of a footwear upper
Method for controlling the horizontal brush of a vehicle washing system
Endoscopic mirror laser beam delivery system and method for controlling alignment
Urine testing module with cytology cup
Secure fallback network device
Bottle opener
Communications channel characterization device and associated methods
Lighting system with multiple beam shapes
Transfer tail apparatus for use with textile yarn winders