| |
 |
|
Class Information
Number: 417/481
Name: Pumps > Expansible chamber type > Oscillating pumping member
Description: Apparatus in which the wall portion is a rigid member and moves to-and-fro in an arcuate path of less than 360°.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7374409 |
Reciprocating pump |
May. 20, 2008 |
| 7344363 |
Remedies to prevent cracking in a liquid system |
Mar. 18, 2008 |
| 7278549 |
Remedies to prevent cracking in a liquid system |
Oct. 9, 2007 |
| 6732647 |
Pump for inking or like purposes |
May. 11, 2004 |
| 6623255 |
Fluid transfer apparatus |
Sep. 23, 2003 |
| 6511305 |
Oscillatory pump-conveyor for transporting liquid-solid mixture with the employment of rotational and inertial forces |
Jan. 28, 2003 |
| 6357397 |
Axially controlled rotary energy converters for engines and pumps |
Mar. 19, 2002 |
| 6354820 |
Pump |
Mar. 12, 2002 |
| 6227152 |
Internal combustion engine |
May. 8, 2001 |
| 6050790 |
Electric waving fan with oscillating multi-direction fan vane element |
Apr. 18, 2000 |
| 5961302 |
Liquid-sealed vane oscillator |
Oct. 5, 1999 |
| 5501182 |
Peristaltic vane device for engines and pumps |
Mar. 26, 1996 |
| 5415078 |
Reciprocating piston machine |
May. 16, 1995 |
| 5305716 |
Rocking-type piston engine |
Apr. 26, 1994 |
| 5277558 |
Constant output pressure pump |
Jan. 11, 1994 |
| 5017106 |
Pump for conveying gases and providing a differential pressure |
May. 21, 1991 |
| 4966102 |
Compression/combustion assembly |
Oct. 30, 1990 |
| 4861236 |
Birotational pump |
Aug. 29, 1989 |
| 4540343 |
Spherical gear pump |
Sep. 10, 1985 |
| 4492150 |
Actuator for mechanical apparatus |
Jan. 8, 1985 |
| 4310930 |
Rigid-vane artifical heart |
Jan. 19, 1982 |
| 4272229 |
Pivotal piston machine |
Jun. 9, 1981 |
| 4257752 |
Rotary alternating piston machine with coupling lever rotating around offset crankpin |
Mar. 24, 1981 |
| 4193743 |
Oscillatory pump for the transport of viscous materials |
Mar. 18, 1980 |
| 4131394 |
Method for transport of manure and a device according to the method |
Dec. 26, 1978 |
| 4106441 |
Power translation machine with oscillating piston |
Aug. 15, 1978 |
| 4099448 |
Oscillating engine |
Jul. 11, 1978 |
| 4027475 |
Power systems |
Jun. 7, 1977 |
| 4027576 |
Pump or motor having sealed chambers |
Jun. 7, 1977 |
|
|
|
