Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7270187 | Flying valve and well production method The invention relates to oil and gas production and can be used for lifting liquid from wells by gas energy. A flying valve includes a tubular body, a detachable element in the form of a body of rotation, and stoppers limiting the penetration of the element into the... | 09/18/2007 |
| 7056060 | Apparatus and method for remediation of low permeability formations An apparatus and method for treating contaminated groundwater in low permeability ground formations is provided having a groundwater intake region at the bottom of the well and a groundwater expulsion region above the bottom of the well and a means for moving the wa... | 06/06/2006 |
