Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Application No. | Application Title | Issue Date |
| 20110293455 | BALL VALVE DEVICE AND METHOD FOR FORMING A BALL RETAINER IN A CHECK VALVE The ball valve device comprises a tubular body in metal material, having a cylindrical wall conformed with spherical cup-shaped internal protrusions to retain a ball shaped valving member, preventing the same valving member from being entrained by a fluid flowing throug... | 12/01/2011 |
| 20110058959 | MUD PUMP CYLINDER ASSEMBLY AND LINER SYSTEM A fluid section for a reciprocating pump comprises a cylinder assembly including a housing having a central axis, a first end, a second end opposite the first end, and a throughbore extending axially between the first end and the second end. In addition, the cylinder as... | 03/10/2011 |
| 20110020155 | ULTRA HIGH PRESSURE PUMP WITH AN ALTERNATING ROTATION TO LINEAR DISPLACEMENT MECHANISM A high pressure pump including a linear actuator comprising a servo motor adapted to axially rotate a hollow rotor shaft in alternating directions, the servo motor having a stator positioned co-axially around the hollow rotor shaft with an interior of the rotor shaft be... | 01/27/2011 |
| 20100139660 | Pump and exhalation valve control for respirator apparatus Double acting respirator pump apparatus including a pump member reciprocable with respect to two pump chambers to deliver air to a patient via a respirator exhalation system, which also facilitates exhalation of the patient. The exhalation system has a pump unit that is... | 06/10/2010 |
| 20090269227 | PISTON PUMP WITH AT LEAST ONE STEPPED PISTON ELEMENT A piston pump with at least one driven stepped piston element disposed longitudinally movably in a housing is disclosed. The piston element and housing define a plurality of pressure chambers whose volumes vary as a function of the motion of the stepped piston. A volume... | 10/29/2009 |
| 20090097999 | Suction structure in double-headed piston type compressor A suction structure is provided for allowing refrigerant into first and second compression chambers from a suction pressure region through first and second rotary valves and first and second communication passages in a double-headed piston type compressor. The first and... | 04/16/2009 |
| 20080310969 | DUAL CHAMBER MIXING PUMP A dual chamber mixing pump design is disclosed which allows two different sources of fluid to be combined into one mixed product fluid. The pump is divided into two chambers, the proximal chamber and the distal chamber. The chambers are defined in part by a piston havin... | 12/18/2008 |
| 20080124229 | Radial Swivel Motor and Process for Manufacturing Same To improve the surface finish of the inner circumferential surfaces of the stator and to reduce the manufacturing effort, it is proposed that the stator with a stator housing 1 and with the stator blades 13 have a two-part design and to insert the stator b... | 05/29/2008 |
| 20080112827 | Compressor for liquid or gaseous fluids A compressor to compress liquid or gaseous fluids comprising a cylinder with a plunger provided therein. In a first embodiment, on both sides of said plunger, respective fluid suction and compression chambers are defined. On the longitudinally opposite ends of the compr... | 05/15/2008 |
| 20080080994 | Fluid End Reinforced with a Composite Material A fluid end for a reciprocating pump is provided that includes a base material less subject to abrasion, corrosion, erosion and/or wet fatigue than conventional fluid end materials such as carbon steel, and a reinforcing composite material for adding stress resistance a... | 04/03/2008 |
| 20080050254 | Dual action air pump A dual action air pump has a body and a piston assembly. The body has an air chamber, an air channel and an elongated hole, which are defined longitudinally in the body parallel to each other. The air chamber has two ends, one of the ends has an outlet with an outlet ch... | 02/28/2008 |
| 20070258831 | SINGLE STAGE TO TWO STAGE COMPRESSOR A compressor includes a cylinder having major and minor compression chambers. The major compression chamber includes an ambient intake and an outlet which can be directed either to the intake of the minor chamber or directly to a holding tank. The outlet from the minor ... | 11/08/2007 |
| 20050152798 | Piston compressor A piston compressor contains at least one cylinder (2), inside of which a reciprocating piston (4) forms two working chambers (10, 12) disposed on opposing sides of the piston, which each have at least one inlet and one outlet opening, in which a re... | 07/14/2005 |
| 20050123426 | Multi-directional pump A multi-directional pump is disclosed generally comprising a housing with inlet and outlet ports, a pumping device disposed therein, a first chamber in fluid communication with the inlet port, and a second chamber in fluid communication with the first chamber. The first... | 06/09/2005 |
