Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 5240407 | Process for producing a sturdy refractory metal oxide article A process for producing a sturdy refractory metal oxide article includes the steps of heating a substrate of organic material impregnated with a metal compound to thermally decompose the compound without substantial thermal decomposition of the substrate,... | 08/31/1993 |
| 4975044 | Gas mantle technology A mechanically durable, highly luminous mantle for a gas-powered light source.... | 12/04/1990 |
| 4764104 | Narrow band thermal emitter A high output, narrow band thermally energized radiation source comprises a rare earth oxide radiator member that has a cross-sectional dimension in the range of five to thirty micrometers, the rare earth oxide radiator member, when heated to about 1700°... | 08/16/1988 |
| 4604228 | Candoluminescent material and its preparation process Candoluminescent material constituted by a mixture of finely divided oxides brought into the form of a net identical to a textile. This mixture has the following molar compositions: 75 to 90% zirconia, 5 to 20% of yttrium oxide or calcium oxide and yttrium oxi... | 08/05/1986 |
| 4533317 | Yttrium oxide mantles for fuel-burning lanterns Incandescent mantles of improved strength and durability are provided for use with fuel-burning lanterns. The mantles are characterized by the use of a hydroxide mixture on the mantle sack of which the primary component is yttrium hydroxide together with ... | 08/06/1985 |
| 4532073 | Candoluminescent material and its preparation The invention relates to a candoluminescent material, its preparation process and its use as a gas lamp mantle. This condoluminescent material is constituted by a mixture of finely divided oxides brought into the form of a netting identical to a textile, ... | 07/30/1985 |
| 4505955 | Mineral particles bound with silicone elastomeric emulsion A uniform mixture consisting essentially of an aqueous silicone elastomeric emulsion and mineral particles having an average particle diameter of greater than 150 micrometers is described. The emulsion comprises an anionically stabilized, hydroxyl endbloc... | 03/19/1985 |
