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| Number | Title | Issue Date |
| 4508801 | Lead acid battery with self-registering grid complement and methods of making and operating same A lead-acid battery construction comprises a casing, electrolyte means received in the casing and positive and negative electrode means mounted in the casing in contact with the electrolyte and being spaced apart by separator means. The positive electrode... | 04/02/1985 |
| 4438483 | Utility handlamp and charging component means therefor A utility handlamp, comprising battery jar means having enclosure means detachably secured thereto, is disclosed. Optical control means including light transmitting means, having reflector means affixed thereto, is engaged in threaded, rotatable relations... | 03/20/1984 |
| 4428039 | Safety lamp apparatus including means for preventing accidental breakage of a bulb member Safety lamp apparatus, suitable for use as a miner's cap lamp, includes a housing body closed at one side by a plastic light transmitting member. A bulb member is yieldably received in the housing body and is operable, when energized, to provide a filamen... | 01/24/1984 |
| 4411969 | Battery construction characterized by reactively limited gridless electrode means, and methods of making and operating same A lead-acid battery construction includes gridless reactively limited positive and negative electrode means combined with separator material and an electrolyte. Reactive limitation of the negative electrode means may be realized by providing the negative ... | 10/25/1983 |
| 4386391 | Luminaire apparatus with multiple light sources including method and means for switching and adjusting focus of the light sources A holder, for example a multiple light source socket, is mechanically travelled in a supporting structure, in both rotary and linear paths of travel. Rotary travel provides for interchangeably locating lamps along a focal axis in a luminaire housing. Line... | 05/31/1983 |
| 4373178 | Methods and apparatus for controlling reflected light Luminaire apparatus, including a luminaire having a paraboloidal reflecting surface and a source of radiant energy such as a light source located at the focal point of the reflecting surface, is combined with means for selectively refracting light emitted... | 02/08/1983 |
| 4359509 | Tubular positive electrode means for use in lead-acid storage batteries including shaped grid structure and self-registering grid complement means therefor Improved positive electrode means for use in a lead-acid battery includes a shaped grid structure, a self-registering plastic grid complement member selectively overlying portions of the shaped grid structure, tube means engaged around depending portions ... | 11/16/1982 |
| 4351889 | Tubular bodies for use in a positive plate of a lead-acid storage battery Fabricated tubular bodies for use in a positive plate of a lead-acid battery are formed in a number of desirable ways from a mixture of fabrication components. In the invention methods the fabrication components are separated into differing sets of fabric... | 09/28/1982 |
| 4338655 | Luminaire apparatus including expansible reflector means and method of reflecting radiant energy to provide a spot to flood configuration A luminaire apparatus includes a housing having a source of radiant energy mounted therein, a rotatable light transmitting member supported at one side of the housing and reflector means. The reflector means consists of a stationary reflector body and exp... | 07/06/1982 |
| 4317162 | Battery operated luminaire with emergency switching means A rechargeable storage battery and miner's cap lamp apparatus includes a headpiece and a cable member which connects the headpiece with the battery. The battery is constructed with a detachable top in which is mounted protectively housed switching means f... | 02/23/1982 |
| 4316241 | Method and apparatus for controlling reflected energy including dual light transmitting means for producing a spot to flood configuration Apparatus for controlling reflected radiant energy to progressively vary distribution of the reflected radiant energy between spot and flood configurations comprises a housing body having a reflector surface, a lamp mounted in the housing body at the foca... | 02/16/1982 |
| 4303746 | Storage battery construction including bonded plate assembly and methods of making same A storage battery is constructed with a casing in which is contained an electrolyte and positive and negative plate means. The positive plate means includes a grid structure having a top bar and depending spines, active material, and braided or woven tubu... | 12/01/1981 |
| 4285121 | Method of making storage batteries of the lead-acid class An improved storage battery of the lead-acid class includes grid structures provided with grid complement means in the form of enclosure bodies of a chemically inert material selectively arranged about portions of the grid structure to protectively reinfo... | 08/25/1981 |
| 4276359 | Lead-acid battery with tubular plate electrode A tubular plate for electrical lead acid accumulators comprises tubes formed of porous fibrous material having a shape such that the ratio of volume to surface area of active material is no greater than 0.20 times the thickness of the tube taken in a dire... | 06/30/1981 |
| 4257086 | Method and apparatus for controlling radiant energy Radiant energy from a luminaire body is selectively controlled by means of a diaphragm structure mounted at one side of the luminaire body. The diaphragm structure includes a plurality of radiant energy transmitting leaves, means for pivotally supporting ... | 03/17/1981 |
| 4252871 | Tubular support sleeve for lead-acid storage battery A tubular support sleeve for tubular storage battery plates comprises a seamless helical tubular lattice structure of fusible flat reinforced thermoplastic tapes, the tapes being fused to one another at their points of intersection. The tapes may be in th... | 02/24/1981 |
| 4225906 | Luminaire apparatus with multiple light sources and methods of operating same A luminaire housing body is formed with a reflector chamber closed at one side by a radiation transmitting member. At an opposite side, the housing is extended to form a socket enclosure. A lamp socket member is rotatably mounted in the socket enclosure a... | 09/30/1980 |
| 4207607 | Luminaire apparatus for reflecting radiant energy and methods of controlling characteristics of reflected radiant energy A source of radiant energy is combined with spaced apart reflecting surfaces which are derived from the parabolic and which have a common focal point but differing focal lengths. Radiant energy is reflected in substantially parallel rays and passed throug... | 06/10/1980 |
| 4207606 | Luminaire apparatus and improved means for connecting same with a power source A luminaire apparatus includes a luminaire housing body, an electrical cable member and a power source. Means are combined with the cable for compressibly securing one end of the cable in the housing in a position to provide an effective moisture seal and... | 06/10/1980 |
| 4202936 | Storage batteries of the lead-acid class and methods of making and operating same An improved storage battery of the lead-acid class includes grid structures provided with grid complement means in the form of enclosure bodies of a chemically inert material selectively arranged about portions of the grid structure to protectively reinfo... | 05/13/1980 |
| 4164012 | Luminaire apparatus for reflecting radiant energy and methods of controlling characteristics of reflected radiant energy A source of radiant energy is combined with spaced apart reflecting surfaces which are sections of paraboloids of revolution and which have a common focal point but differing focal lengths. Radiant energy is reflected in substantially parallel rays and pa... | 08/07/1979 |
