Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6959877 | Cross-tie for railroad rail assembly and method of manufacturing the same A cross-tie for a railroad rail assembly and a method of manufacturing the same, wherein the cross-tie includes a plurality of recycled tire treads stacked along one of the width and height dimensions of the cross-tie, and secured to one another via an interposed ad... | 11/01/2005 |
| 6908524 | Alkylphenol ethoxylate-free surfactant package for polymer emulsions This invention is directed to formation of a creped nonwoven web. The creped web is formed in a creping process using a polymer emulsion binder formed in an alkylphenol ethoxylate-free surfactant system. The surfactant system comprises a combination of a specific ac... | 06/21/2005 |
| 6824070 | Cross-tie for railroad rail assembly and method of manufacturing the same A cross-tie for a railroad rail assembly and a method of manufacturing the same, wherein the cross-tie includes a plurality of recycled tire treads stacked along one of the width and height dimensions of the cross-tie, and secured to one another via an interposed ad... | 11/30/2004 |
| 6659362 | Composite railroad ties with optional integral conduit Railroad ties may be refurbished or have their usable life extended by overwrapping with fibrous reinforcement containing a cured matrix associated with the fibers. The ties may be machined prior to overwrapping, and are preferably sawn along their length... | 12/09/2003 |
| 4326669 | Laminated wooden railroad crossite having exposed end-grain forming part of the load bearing surface A laminated wooden load support structure is described herein, wherein at least one of the lamina is comprised of a plurality of wooden elements orientated with respect to the load bearing surface or wear surface such that the end-grains of the wood eleme... | 04/27/1982 |
| 4105159 | Composite railroad tie A composite railroad tie of structurally distinct components adhesively joined in layers to form a unit. At least one of the components being of high density phenolformaldehyde bonded particleboard manufactured in a platen press with heat. At least two el... | 08/08/1978 |
