Quotables
"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7311075 | Split piston for an internal combustion engine The invention relates to a split piston for an internal combustion engine, comprising an upper piece, connected to a lower piece, by means of a screw connection. The screw connection comprises a tubular connector piece, mounted on the underside of the piston upper p... | 12/25/2007 |
| 7011010 | Free piston device with time varying clearance seal A free piston device which is particularly applicable for use with a linear motor for providing acoustic energy to a cryocooler for generating refrigeration at cryogenic temperatures which comprises a time varying clearance seal to counteract piston drift. ... | 03/14/2006 |
| 5577346 | Multi-zone molten-metal hydrogen and fuel gas generation process A plural-zone molten metal iron gasifier for converting feeds containing hydrogen and carbon, such as propane, solvent deasphalted pitch, etc., into substantially pure hydrogen and CO/CO2 streams under pressure by incorporating carbo into the m... | 11/26/1996 |
| 5016524 | Sealing arrangement for a piston in a compressor A continuous seal ring member fitted in a ring groove of a piston of a compressor. The seal ring member has a washer-like initial shape with an internal diameter smaller than an outer diameter of the piston, whereby the inner peripheral portion of the sea... | 05/21/1991 |
| 4226169 | Adjustable expandable cryogenic piston and ring The operation of a reciprocating expansion engine for cryogenic refrigeration is improved by changing the pistons and rings so that the piston can be operated from outside the engine to vary the groove in which the piston ring is located. This causes the ... | 10/07/1980 |
| 4143586 | Mud pump piston A mud pump piston comprising an annular elastomeric ring having an annular circumferential surface defining an acute angle circumferential tip of relatively small area which engages the pump cylinder wall and an annular anti-extrusion ring connected to an... | 03/13/1979 |
