Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7378463 | Halogen-free fire retardant system for low heat release polymers An intumescent fire retardant system for making polymeric moldings that is halogen-free and provides fire shielding, thermal shielding and a low heat release rate. The intumescent fire retardant system of the present invention comprises, on the basis of 100 parts by... | 05/27/2008 |
| 7245107 | System and method for battery charge control based on a cycle life parameter A charging and discharging strategy for a rechargeable battery pack is disclosed. The strategy involves monitoring and learning the battery pack's condition (a cycle life parameter) in terms of its progression through its life cycle. The life cycle parameter may be ... | 07/17/2007 |
| 7193391 | Method for cell balancing for lithium battery systems A rechargeable multiple cell battery pack has an application associated therewith that draws power from the battery pack. While the battery pack is in operation, voltage, current, state-of-charge (SOC), and impedance data are collected on a per-cell basis and an alg... | 03/20/2007 |
| 7126312 | Method and apparatus for balancing multi-cell lithium battery systems A method and apparatus of the present invention are designed to equalize cell-to-cell imbalances in a multi-cell lithium battery system. A time-to-balance parameter is calculated for each cell at the beginning of charge, and balancing occurs for each cell having a p... | 10/24/2006 |
| 7106026 | Method of dynamically charging a battery using load profile parameters An energy system is formed of a plurality of battery cells, and has an application associated therewith that draws power from the energy system, thereby creating a load profile that is presented to the energy system. As the application is being used, voltage and cur... | 09/12/2006 |
| 7097936 | Battery constructed with extracted bicells stacked on shuttled pallet A method of constructing a battery using a control unit to cause pallets on an automated conveyor system to move between indexed positions on the conveyor system. Control unit causes terminals to be deposited on said pallet in a first position, control unit causes p... | 08/29/2006 |
| 7008724 | Lithium cell with mixed polymer system A lithium cell and method for producing, wherein an electrode contains a first polymer and a separator contains a second polymer having a melting point below that of the first polymer. The first polymer may be the same in the anode and the cathode, or one electrode ... | 03/07/2006 |
| 7005830 | Rechargeable battery pack with adaptive regenerative energy control and method thereof A charging strategy for a rechargeable battery pack is disclosed. The battery pack is used in an application that includes a dynamoelectric machine that may operate as a motor, drawing power from the battery pack, or as a generator, delivering regenerative energy to... | 02/28/2006 |
| 6946218 | Battery cell having edge support and method of making the same The present invention, a cell layer edge support, provides longer battery cell life while minimizing the possibility of shorts within the cell. More specifically, an edge support layer is positioned around at least a portion of the smaller electrode, either the anod... | 09/20/2005 |
| 6905790 | Battery pack having improved battery cell terminal configuration A battery pack containing a plurality of battery modules, said modules comprising a plurality of individual battery units, said battery units comprising a plurality of bicells with opposing terminals. The battery modules are connected in series by use of a flexible ... | 06/14/2005 |
