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 |
| 7859872 | Load voltage-independent active power control of power converters The magnitude and wave shape of instantaneous power draw from a single phase alternating current power source to a power converter is controlled by a closed loop power control scheme independent of the direct current output voltage of the converter. A fast averaging... | 12/28/2010 |
| 7209373 | High voltage pulse generator A high voltage pulse generator utilizes an even number of Marx cells using L-C inversion topology. Each Marx cell is associated with an individual inverter transformer having a primary winding connected to the output of an ac power supply such as a series resonant i... | 04/24/2007 |
| 7157710 | Corona discharge detection An apparatus and process are provided for detecting whether a corona discharge has occurred external or internal to equipment in which a broadband optical spectra sensor is placed. The broadband optical spectra sensor senses both the ultraviolet energy of the corona... | 01/02/2007 |
| 6114842 | Precision voltage regulator for capacitor-charging power supply A precision voltage regulator is provided for a capacitor-charging power supply. Both the power supply output and the load capacitor are shunted at the same time by a shunt control circuit. The load capacitor shunt is maintained for a period of time deter... | 09/05/2000 |
