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Horology: Time Measuring Systems Or Devices > Time Interval > Electrical Or Electromechanical > Stop Time Type > With Physically Changeable Element With Physically Changeable ElementWith Physically Changeable Element patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.03/15/07 - 20070058493 - Methods and apparatus capable of indicating elapsed time intervals A method and apparatus of defining a time interval includes providing a source of ionizing radiation that radiates emissions thereof; placing a radiation sensitive display material responsive to ionizing radiation in a close proximity relationship to the source of ionizing radiation whereby the radiated emissions of the source strike the ... 12/07/06 - 20060274606 - Particle-based time indicator and method for its use A particle-based time indicator that indicates the passage of time through the settling of particles suspended in a liquid. The indicator may consist of a container of fluid and particles of different ranges of sizes. The container may have one or more timing marks for viewing. In some embodiments, a ... ### FreshPatents.com Support |