Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| D643090 | Filter housing | 08/09/2011 |
| D642658 | Filter housing | 08/02/2011 |
| D642657 | Filter housing | 08/02/2011 |
| 7968348 | Environmental sampling and testing method Provided is sampling and testing device for the detection of specific molds, allergens, viruses, bacteria, fungi, and other protein containing substances. Embodiments of the device include a sampling member slideably engaged with a base that contains a lateral flow ... | 06/28/2011 |
| D636631 | Lid for a water pitcher | 04/26/2011 |
| D632520 | Water pitcher | 02/15/2011 |
| D626779 | Water pitcher | 11/09/2010 |
| D626778 | Water pitcher | 11/09/2010 |
| D626777 | Water pitcher | 11/09/2010 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7297263 | Efficient water filters Water treatment devices that include filtration media with specified grain size distributions are provided. In one arrangement, the device contains a volume of grains such that between about 1 and 15 vol % of the grains have a grain size in a range between a first g... | 11/20/2007 |
| D542374 | Faucet mounted water filter | 05/08/2007 |
| D541374 | Faucet mounted water filter | 04/24/2007 |
