In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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 |
| 7945423 | Method and system for evaluating the efficiency of an air conditioning apparatus The applicant describes a system and methods of calculating the overall operating efficiency of an air conditioning chiller that evaluates efficiency of the component parts of the chiller and generates an overall efficiency based on these component efficiency values... | 05/17/2011 |
| 7525691 | Facsimile telecommunications system and method A system and method for facilitating facsimile transmissions coupled to the switched telephone network in a manner supporting multiple communication channels, each of which allowing communication sessions with originating fax machines. The store and forward faciliti... | 04/28/2009 |
| 7365884 | Facsimile telecommunications system and method A system and method for facilitating facsimile transmissions has one or more store and forward facilities, each associated with a plurality of subscriber facsimile machines, typically coupled over the switched telephone network. The store and forward facsimiles incl... | 04/29/2008 |
| 7349824 | Method and system for evaluating the efficiency of an air conditioning apparatus The applicant describes a system and methods of calculating the overall operating efficiency of an air conditioning chiller that evaluates efficiency of the component parts of the chiller and generates an overall efficiency based on these component efficiency values... | 03/25/2008 |
| 7330817 | System and methods for employment law compliance, establishment, evaluation and review The present invention is directed to systems and methods for facilitating an employer's compliance with employment laws. A typical system includes a data store for storing compliance information, a processor for supporting compliance functionality and a link to a co... | 02/12/2008 |
| 7202978 | Facsimile telecommunications system and method A system and method for facilitating facsimile transmissions has one or more store and forward facilities. The store and forward facilities include a computer for controlling operations and mass data storage equipment. Subscriber mailboxes are provided as part of th... | 04/10/2007 |
| 7029208 | Biodegradable sediment barrier The present application relates to systems and methods for making and using sediment barrier. More specifically the present application relates to systems and methods for using sediment barriers to reduce pollution of rivers and streams from sediment resulting from ... | 04/18/2006 |
| 6990481 | System and method for content management over network storage devices The present invention is a system and method for managing content across one or more storage device systems. A typical system according to the present invention includes one or more indexing systems and a set of storage device systems. Each indexing system monitors ... | 01/24/2006 |
| 6973410 | Method and system for evaluating the efficiency of an air conditioning apparatus Air conditioning chiller operating efficiency is evaluated in response to chiller operating parameters input to a computing device which calculates separately the efficiencies of the condenser and evaporator components of the chiller. Additional efficiency calculati... | 12/06/2005 |
| 6962439 | Leak resistant tamper evident reclosable plastic bag A reclosable plastic bag includes two panels sealed to form a container having a bottom and an openable top. The plastic bag further includes lips that are adjacent to the openable top and which are initially joined to one another by a removable element. The removab... | 11/08/2005 |