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 |
| 6681675 | Remote hazardous devices interdiction process and apparatus A method for remotely accessing packages suspect of containing hazardous devices. The method includes using a continuous stream of high velocity abrasive particles and/or fluid(s) created in-situ while attached to a remotely or autonomously operated vehic... | 01/27/2004 |
| 6125695 | Method and apparatus for measuring a fluid A flow sensor including a symmetrical sensor tube for carrying the fluid, first and second heaters symmetrically disposed at the sensor tube, and a first temperature sensor in thermal communication with the fluid. A flow meter including a flow sensor havi... | 10/03/2000 |
| 5901759 | Rupture vessel with auxiliary processing vessel A fluid recovery system and method for accessing the contents of a target container. A preferred embodiment of the fluid recovery system includes an auxiliary processing vessel for housing a container to be accessed, a cylinder rupture vessel for housing ... | 05/11/1999 |
| 5601046 | Means and method for dynamically monitoring the stretch of a seismic streamer cable A variable-gap, distributed-capacitance sensor provides an output signal that is a function of its instantaneous elongation. The sensor is integrally associated with a seismic isolator section for measuring the instantaneous stretch thereof.... | 02/11/1997 |
| 4041795 | Mechanism for converting rotary motion into precise low speed linear motion This invention relates to a device for producing precise linear movement in response to a rotary input. More particularily, the invention comprises two threaded shafts respectively having threads of different pitches, one of the shafts being secured again... | 08/16/1977 |
