William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 6973419 | Method and system for designing an impingement film floatwall panel system A method and system for designing an impingement film floatwall panel system for a combustion chamber for a gas turbine engine comprising the steps of creating an impingement film floatwall panel knowledge base of information. The knowledge base has a plurality of d... | 12/06/2005 |
| 6944580 | Method and system for designing frames and cases A method for designing an engine case static structure of a gas turbine engine includes creating signals representing an engine case static structure knowledge base of information. The knowledge base has a plurality of design rule signals with respect to a correspon... | 09/13/2005 |
| 6625507 | Method and system for designing a low pressure turbine shaft A method and system for designing a low pressure turbine shaft comprising the steps of creating a low pressure turbine shaft knowledge base of information. The knowledge base has a plurality of design rule signals with respect to a corresponding plurality... | 09/23/2003 |
| 6587741 | Method and system for designing a spline coupling A method and a system for designing a spline coupling, comprising the steps of creating signals representing a spline coupling knowledge base of information having a plurality of rule signals with respect to a corresponding plurality of parameter signals ... | 07/01/2003 |
| 6393331 | Method of designing a turbine blade outer air seal A method of designing an outer air seal for the turbine blades of a gas turbine engine utilizes a knowledge-based product model software program for generating a parametric, three-dimensional, geometric model of the air seal. The product model software pr... | 05/21/2002 |
| 5587068 | Multi-attitude deaerator for oil tank The deaerator includes a chamber that includes vortex generators that centrifuge the oil/air to separate the components and the chamber may operate in all attitudes. In addition wake separators mounted in the inlet of the chamber remove a large percentage... | 12/24/1996 |
| 5114446 | Deoiler for jet engine A deoiler for a jet engine which separates oil droplets from an air/oil mixture in three stages, the first stage employing external radial extending vanes having a curved inducer, the second stage employing vanes which are laid over in the direction of ro... | 05/19/1992 |