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 |
| 7617745 | Portable insertable probe assembly An assembly for insertion and retraction of probe or probe-like device which does not require a seal or packing gland, instead utilizing pressure equalization between pressurized process fluids and the housing containing a probe, so as to negate the use of a dynamic... | 11/17/2009 |
| 7555965 | Multi-cavity sample cylinder with integrated valving A system for obtaining a representative sample of a natural gas stream, particularly a stream which is at or below its hydrocarbon dew point temperature (H.C.D.P.). The preferred embodiment of the present invention contemplates a sample cylinder having a flexible is... | 07/07/2009 |
| 7555964 | Phase separation system and housing therefore A method and apparatus for the physical separation of components from a multi-phase fluid stream into its component phases. More particularly, the invention relates to a housing for a phase separation medium which allows one to change the phase separation medium wit... | 07/07/2009 |
| 7472615 | Portable insertable probe assembly An assembly for insertion and retraction of probe or probe-like device which does not require a seal or packing gland, instead utilizing pressure equalization between pressurized process fluids and the housing containing a probe, so as to negate the use of a dynamic... | 01/06/2009 |
| 6257344 | Enhanced minimum tillage planter/renovator system A minimum tillage planting/renovation system configured to facilitate an enhanced seedbed in a variety of soil conditions, while maintaining nominal surface disturbance. The present invention may further be configured to provide intercrop planting, renova... | 07/10/2001 |
