Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7370395 | Heating apparatus and process for drawing polyolefin fibers A heating apparatus and process useful for drawing ultrahigh molecular weight polyolefin fibers, such as polyethylene fibers. The heating apparatus includes a first set of rolls and a plurality of aligned ovens. The apparatus includes a second set of rolls at the ex... | 05/13/2008 |
| 6973702 | Web expander This invention provides a web expander comprising means for carrying a web 2 having longitudinal slits, means 5 for expanding the width of the web, and opening control means 6 for uniformly forming size and form of openings of the web expanded b... | 12/13/2005 |
| 6704978 | Method and device for guiding a web of material The present invention relates to a method for guiding a flat web of material (1) in which the web of material (1) runs in an arrangement of rotating rollers at a web speed vF. The web of material is guided in its peripheral region via a spre... | 03/16/2004 |
| 6243930 | Spreader for calender line A spreader for spreading a fabric having upper and lower sides, transversely spaced edges and longitudinally extending reenforcing cords spaced laterally across said fabric between said edges preparatory to treating the fabric in a calender, as the fabric... | 06/12/2001 |
| 6185800 | Spreader for calender line A spreader for spreading a fabric having upper and lower sides, transversely spaced edges and longitudinally extending tire reenforcing cords spaced laterally across said fabric between said edges preparatory to rubberizing said fabric in a calender, wher... | 02/13/2001 |
| 6029325 | Spreader for calender line A spreader for spreading a fabric having upper and lower sides, transversely spaced edges and longitudinally extending tire reenforcing cords spaced laterally across said fabric between said edges preparatory to rubberizing said fabric in a calender, wher... | 02/29/2000 |
| 5791030 | Web widening apparatus A relatively inexpensive web widening apparatus which is suitable for the manufacture of a widened web having a large width and a lightweight web while maintaining a high widening ratio and the uniformity of the web and can be operated with ease at a high... | 08/11/1998 |
| 5781973 | Spreader for calendar line A spreader for spreading a fabric having upper and lower sides, transversely spaced edges and longitudinally extending tire reenforcing cords spaced laterally across the fabric between the edges preparatory to rubberizing the fabric in a calender, where t... | 07/21/1998 |
| 5619779 | Device for smoothing down a running material web A device for smoothing out a running material web having a marginal edge and a downstream direction of travel. At least two driven, threaded spindles engage the marginal edge of the material web. A web-guiding body is located upstream of the first spindle... | 04/15/1997 |
| 5517737 | Apparatus for continuously stretching or continuously releasing stretching forces from a web using two pairs of opposing non-planar belts In accordance with the present invention there is provided an apparatus for conveying a web. The apparatus is able to continuously stretch the web or continuously release the stretching forces from a web in the cross-machine direction. The apparatus inclu... | 05/21/1996 |
| 5043036 | Width stretching device A device for stretching the width of strip material including two rotatably mounted circular pulleys having portions of their peripheries at a close spacing at a first location and portions of their peripheries at a larger spacing at a second location. Tw... | 08/27/1991 |
| 4778372 | Thermoplastic web conveying mechanism and thermoforming apparatus In an apparatus for the production of articles from a planar web of thermoplastic material, having heating, hot shaping and punching devices, a web conveying mechanism for stepwisely transporting the web along the substantially planar path through the app... | 10/18/1988 |
| 4381587 | Apparatus for correcting deviation of travelling fabrics An apparatus comprising a fixed roller and a movable roller movable toward and away from the fixed roller to correct the deviation of a travelling fabric by nipping a selvage thereof with the two rollers. The movable roller is biased by a spring toward th... | 05/03/1983 |
| 4140574 | Web spreader and guide A web spreading and guiding device to maintain a running paper sheet making foraminous web comprising a wire or pick-up felt transversely taut and straight running in a papermaking machine, has a pair of free running pneumatic tires having their treads in... | 02/20/1979 |
| 4097973 | Apparatus for unfolding, spreading and guiding travelling fabric An apparatus comprises guide means including a stationary roller and a movable roller opposed to the stationary roller and movable toward or away therefrom to nip a selvage of the fabric between the rollers when required to correct deviation of the fabric... | 07/04/1978 |
| 4062094 | Apparatus for laterally stretching textile fabric and the like Apparatus for laterally stretching a web of textile fabric comprising a pair of web-stretching devices disposed at opposite sides of the web, each web-stretching device comprising at least a pair of parallel uncurling fingers and a control roller disposed... | 12/13/1977 |
| 4061374 | Width-maintaining cylinder A width-maintaining cylinder having at least one bearing arranged on a support at an angle to the longitudinal axis thereof. The bearing has a flange and a circular cylinder bearing surface for a small wheel set at an angle. The bearing has contact surfac... | 12/06/1977 |
| 4055697 | Woven material with filling threads at angles other than right angles A woven material wherein the woof or cross filling threads are disposed at a predetermined angle other than a right angle to the warp or lengthwise threads.... | 10/25/1977 |
| 4007865 | Web guiding and centering apparatus A web guiding and centering apparatus for guiding and centering a moving web of substantially constant width relative to a fixed center line includes two guiding devices positioned equally distant from the selected center line, each guiding device compris... | 02/15/1977 |
