Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| D636440 | Clipboard with calculator | 04/19/2011 |
| 6297591 | Chimney-cooled arc lamp electrode An arc lamp comprising a hollowed-anode electrode with an arc-face having a central hole extending to an internal chimney. An opposing cathode electrode faces the hollowed anode electrode for providing a short electric arc around the central hole in the a... | 10/02/2001 |
| 6223105 | System for determining the orientation in space of a moving body relative to the earth Navigation satellite receiver measurements of the acceleration of a moving vehicle are used to derive valuable attitude information about the vehicle. Three-dimensional accelerometer measurements aboard the vehicle are used to determine the specific force... | 04/24/2001 |
| 6005346 | Trichrominance metal halide lamp for use with twisted nematic subtractive color light valves A primary color lamp comprises a glass envelope with a krypton arc doped with metal halides. A cesium bromide or cesium iodide solution is included with lithium iodide (LiI) to produce red light, thallium iodide (TlI) to produce green light and indium iod... | 12/21/1999 |
| 5935194 | Method for using external constraints to improve the speed and reliability of phase ambiguity resolution in real-time kinematic initialization A method for obtaining integer ambiguity solutions based on externally provided constraints, e.g., altitude. Such constraints are useful in reducing the computational burden created by the search problem, and using constraints is particularly more effecti... | 08/10/1999 |
