Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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 |
| 4659435 | Integrally heated electrochemical cell method and apparatus A novel electrochemical cell including a solid electrolyte heated to an elevated temperature for operation and an integral cell electrode/heater for heating the electrolyte. Solid electrolyte embodiments are described. The integral electrode/heater is app... | 04/21/1987 |
| 4644138 | Temperature control system with simplified controller and power supply The invention includes a simple and inexpensive thermal controller and simple and inexpensive radio frequency alternating current generator which are provided in an improved temperature control system for a resistively heated electrochemical cell. The tem... | 02/17/1987 |
| 4591383 | Apparatus and method of filtering molten metal using honeycomb structure of sintered alumina as filter element High purity alumina filters suitable for relatively high temperature molten metal filtering applications are prepared by providing a composition comprising fine grain reactive alumina and a burn out material in amounts sufficient to increase the porosity ... | 05/27/1986 |
