Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 6910537 | Canister, sealing method and composition for sealing a borehole Method and composition for sealing a borehole. A chemically bonded phosphate ceramic sealant for sealing, stabilizing, or plugging boreholes is prepared by combining an oxide or hydroxide and a phosphate with water to form slurry. The slurry is introduced into the b... | 06/28/2005 |
| 6244828 | Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve A combination pump and trap is disclosed which includes a snap-over mechanism useful for small floats with little buoyancy. The snap-over mechanism has a geometry in which the distance between the float or compression arm pivot point and the pivot for the... | 06/12/2001 |
| 6244829 | Liquid forced-feed apparatus A liquid forced-feed apparatus has a built-in float in a hermetic vessel provided with a working fluid inlet port, a working fluid discharge port, a forced-feed liquid inlet port, and a forced-feed liquid discharge port. A snap mechanism which is actuated... | 06/12/2001 |
| 6227816 | Hydraulic delivery device The invention relates to a hydraulic delivery device with a displacement unit which delivers a medium from a suction connection under output pressure to a pressure connection, connectable with a consumer, and under consumer pressure, and a regulating devi... | 05/08/2001 |
| 6174138 | Float operated devices A float operated device such as a pressure powered pump has a chamber 30 in which a float 32 is movable. The float 32 has a low profile form, having an aspect ratio greater than 2. The float operates a toggle mechanism 46 comprising an input lever 34 and ... | 01/16/2001 |
| 5938409 | Gas powered fluid pump with exhaust assist valve A gas powered pump tank is alternately filled with liquid such as water at low pressure, and then emptied by gas pressure such as from pressurized steam. An auxiliary exhaust assist valve opens at a threshold pressure after switching from the pumping phas... | 08/17/1999 |
| 5934881 | Snap action float valve assembly with reversible plate spring for liquid feeding device A liquid forced-feed apparatus, such as a steam trap or pump-trap combination, simplified in construction by decreasing the number of component parts, and capable of switching a change-over valve smoothly with reduced buoyancy. A float, a change-over valv... | 08/10/1999 |
| 5655888 | Pump and combination pump and trap with snap-over mechanism and double-seal outlet valve A combination pump and trap is disclosed which includes a snap-over mechanism useful for small floats with little buoyancy. The snap-over mechanism has a geometry in which the distance between the float or compression arm pivot point and the pivot for the... | 08/12/1997 |
| 5401142 | Condensate discharging device In order to enable only condensate to be discharged/fed under pressure without leaking out steam independently of the respective pressures at the primary side and at the secondary side, in a condensate discharging device comprising a condensate receiving ... | 03/28/1995 |
| 5366349 | Automatic liquid pump with vapor flow prevention flow outlet valve An automatic liquid pump contained within a sealed pressure vessel. The pressure vessel includes a liquid inlet opening, a liquid outlet opening, a gas inlet and a gas outlet. A preloaded float-operated over-center valve mechanism closes the gas inlet val... | 11/22/1994 |
| 5006046 | Method and apparatus for pumping liquid from a well using wellbore pressurized gas There is provided a method and apparatus for removing liquid from a well using well bore pressurized gas. A U-shaped tube having a small orifice near the bottom thereof is received in the well. The upper portions of both legs of the tube are connected to ... | 04/09/1991 |
| 4901798 | Apparatus and method for removal of accumulated liquids in hydrocarbon producing wells A method and apparatus are disclosed to detect periodic well loading by produced accumulated secondary fluids, and accordingly to remove the undesired secondary fluid from the tubing of a hydrocarbon producing well. The method according to the present inv... | 02/20/1990 |
| 4842487 | Pumping device using pressurized gas There is provided an improved fluid pumping device including an enclosure to be placed downhole in a well. A first hollow tube is received in the enclosure and extends to the surface of the well for removing fluid from the well. A second hollow tube also ... | 06/27/1989 |
| 4828461 | Apparatus for metering flowable materials in sand core making machines Apparatus for transferring metered quantities of a flowable bonding agent from a tank into a mixer of a sand core making machine has an upright tubular vessel into which the bonding agent is drawn from the tank by a suction pump and a pressure pump which ... | 05/09/1989 |
