Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7954255 | Drying apparatus with a solvent-recovery function, and a method for drying solvent recovery A drying apparatus with a vaporized-solvent-recovery function including: a concentration-at-the-end-of-drying data memorizing device to memorize a concentration of a vaporized solvent at the end of a drying operation of an object to be dried in a processing path; a ... | 06/07/2011 |
| 7032520 | Compact printing apparatus and method A printing apparatus (10) for printing an image on a receiving substrate (20) including ink application means (11) for imagewise applying liquid side of the receiving substrate; a drying section (12) for drying the receiving substrate aft... | 04/25/2006 |
| 6688020 | Substrate processing apparatus A substrate processing apparatus and method which can prevent accidents in advance so as to ensure safety against interruption of operations of the apparatus and leakage of processing substances. In a substrate processing method in which wafers W are proc... | 02/10/2004 |
| 5644855 | Cryogenically purged mini environment A portable contamination-sensitive component transport container provides a continuously purged environment for the components. The container includes an attached cryogenically liquefied inert gas insulated storage vessel from which vaporized liquefied in... | 07/08/1997 |
| 5203092 | Drying apparatus and its control device for rotary printing press In the drying apparatus for rotary printing press for drying the ink on the printed paper which has a direct fired deodorizing apparatus (8) and a heat recovery apparatus (9) for heating the hot air circulating in a drying apparatus (1) by using the exhau... | 04/20/1993 |
| 4575952 | Hot air dryer structure A modular hot air dryer includes air jet support for a continuously moving, freshly printed flexible paper web. Air curtains are provided at the dryer entrance and exists to prevent excess fresh air penetration into the dryer. Air which is intentionally i... | 03/18/1986 |
| 4150495 | LEL (lower explosive limit) control with automatic calibration capability The LEL (Lower Explosive Limit) control includes a gas analyzer normally connected to receive sample gas from the evaporation enclosure of a press dryer section and which, during calibration, is sequentially connected to first analyze solvent free gas and... | 04/24/1979 |
