Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7032575 | Valve assembly for a fuel pump module A fuel pump module includes a reservoir configured to hold a supply of fuel. The reservoir includes a fuel passageway and defines a first seat on a first side of the fuel passageway and a second seat on a second side of the fuel passageway. The module also includes ... | 04/25/2006 |
| 7007711 | Dispersion nozzle with variable throughput The invention relates to a dispersing device wherein the dispersed material has a variable throughput comprising a jet disperser which comprises at least one inlet for the materials to be dispersed, a chamber with a multiciplicity of openings arranged in rows along ... | 03/07/2006 |
| 6953326 | Air pump having air cylinder/manual dual charging mode An air pump includes a connector connecting to an air nozzle of an object to be inflated, a holder block connected to the connector and having a valve chamber, an air cylinder air inlet and a manual charge air inlet extended from the vale chamber to the rear side th... | 10/11/2005 |
| 5456582 | Compressor inlet valve with improved response time A compressor has an air inlet valve for controlling air intake when demand for service air from the compressor changes. The valve has a housing with an inlet and an outlet which is connected to a compressor. A rod in the housing is movable relative to the... | 10/10/1995 |
| 5419689 | Vacuum pump having oil-actuated inlet valve A vacuum pump which includes an oil pump for raising the pressure of oil in the vacuum pump during operation of the vacuum pump and an inlet valve for isolating the vacuum pump inlet during non-operation of the vacuum pump. The vacuum pump has an operatin... | 05/30/1995 |
| 4995794 | Vacuum pumps A vacuum pump comprising a pumping chamber having an inlet and an outlet through which gas from an enclosure connectible to the inlet can be pumped, in which means are provided to allow the selective introduction through the chamber of a flow of recircula... | 02/26/1991 |
| 4921406 | Mechanical primary vacuum pump including a spring-loaded non-return flap valve The invention relates to a mechanical vacuum pump having a displacement member (2) and a casing (1) which is provided with an inlet channel (3) on the suction side and an outlet channel (4) on the discharge side. A spring-loaded non-return flap valve (5) ... | 05/01/1990 |
| 4188174 | Wear resistant valve A valve which is resistant to wear caused by particles trapped between the valve seat and the valve member or poppet when the valve closes, including an outlet for directing washing fluid at the valve seat and/or sealing face of the poppet and means for s... | 02/12/1980 |
| 4177016 | Self cleaning manifold connection for slurry pump One or a plurality of positive displacement slurry pumps are connected to common intake and discharge manifolds at a typical slurry pipeline pumping station. Each pump is connected at its inlet by inlet piping from the intake manifold through an intake is... | 12/04/1979 |
