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| Number | Title | Issue Date |
| 7342210 | Remote control for auto-darkening lens systems and method A wireless remote control is provided for an auto-darkening lens (ADL) system used in a welding helmet, respirator system or other device to control or to adjust settings of an ADL of a controllable light shutter. A display system facilitates providing information i... | 03/11/2008 |
| 7308719 | Front surface opened welding mask A front surface opened welding mask, in which an LCD shielding screen is simply attached to and detached from a welding plane and the LCD shielding screen is safely connected to the welding plane. The front surface opened welding mask includes a connection opening f... | 12/18/2007 |
| 4785954 | Welding maskholder A special welding apparatus comprises welding pliers and a head shield, which may be attached together by means of an engaging groove, a pressure ball, a fixed ring, a fixed hook and a hook seat, or may be separated from each other. The colored goggle ass... | 11/22/1988 |
| 4706301 | Bite operated viewport A viewport for a welder's protective mask or the like, with a semitransparent window arranged to be opened by mandibular action of the user for inspection of a newly set weld, for example, while leaving both hands free to hold or manipulate other equipmen... | 11/17/1987 |
| 4694507 | Welder's hood having a chin operated window closure A mechanism for opening and closing a window closure member (12) in a welder's helmut (10) by movement of the welder's chin. The helmet is provided with a chin engaging member (18), (20) which is attached to one end of an arm (24) by a rod (26). The arm (... | 09/22/1987 |
| 4694141 | Automatic welder's helmet An improved automatic welder's helmet having two pneumatic cylinders to effect the closing of the helmet's dark eye lens prior to energizing the welding system for striking the welding arc, and further to maintain the dark eye lens closed until after the ... | 09/15/1987 |
| 4686711 | Eye protection device for welder protection equipment An eye protection device for the window of a welding hood or shield includes a first stationary screen portion and a second screen portion which is reciprocable toward and away from a position in the window. A drive for the movable screen portion is conne... | 08/18/1987 |
| 4679255 | Welder's mask with remote controlled eye shield A welder's mask having a remote controlled eye shield for allowing the user to remotely and independently control opening of the eye shield when not needed, and closing of the eye shield when needed, which includes a conventional welder's mask housing hav... | 07/14/1987 |
| 4679254 | Protective shield for a welders mask A protection shield, e.g., a welders mask, has an only slightly transparent screen such as a welder's glass movable in front of and away from an opening in the shield by a reversible electric motor, driving the screen directly. The screen is guided by rod... | 07/14/1987 |
| 4571741 | Ergonomic helmet means The ergonomic helmet means according to the invention comprises a pump equipped with a control system simultaneously ensuring the supply of air to the helmet and the manipulation of the vizor. This control system has an operative position ensuring the low... | 02/25/1986 |
| 4539713 | Chin operated shield and welding hood An improved welding hood with a chin operated face shield provides hood stability, adjustability, ease of use, long life, an ability to hook the viewing window shield open, and positive closing of the shield otherwise. A linkage from the chin of the opera... | 09/10/1985 |
| 4525876 | Welder's helmet A welder's helmet including a helmet portion, a filter support portion, a filter portion and a filter actuating portion; the helmet portion including a shield section, a head band section connected to the shield section, a viewing opening in the shield se... | 07/02/1985 |
| 4510625 | Light-shielding protective mask A switch holder is made from a rubber or a plastic and has an endless ring-like form or an arcuate form cut at both ends to fit a finger of the worker who makes the welding. A switch having a small depression stroke is mounted on the periphery of the swit... | 04/16/1985 |
| 4185329 | Welder's shield for electric arc welding An improved welder's shield for electric arc welding comprising a flexible gasket secured to and protruding from the inside surface of the face mask. The gasket circumscribes the viewing window of the mask and flushly meets the face of the wearer about hi... | 01/29/1980 |
| 4130903 | Protective device particularly for welding and cutting work The present invention relates to a protective device for performing work in areas of greatly varying light intensities, comprising a viewing window having a portion provided with a pair of relatively adjustable grid supports with the movement of said supp... | 12/26/1978 |
| 4109132 | Automatic welding mask shutter lens system A system for selectively pivoting a welding mask shutter lens either into an opened or closed position so that between welding operation, the work can be observed directly through the lens window opening with the lens pivoted out of the way; the system in... | 08/22/1978 |
| 4101979 | Welding mask with automatic obscuring of the visual field A mask for carrying out electric arc welding by protecting the operator's eyes against both the glare and the ultraviolet rays during operation and reducing to a minimum the period of lack of visibility, which is embodied by an opaque shell with a vision ... | 07/25/1978 |
| 4011594 | Welding mask window door automatic operation An improved welding mask having a tinted window door that automatically closes as soon as a welding rod strikes an object that is intended to be welded, and wherein the door automatically opens and all electric current is shut the moment the welding arc i... | 03/15/1977 |
| 3943573 | Automatic protective shade equipment on protective visors, protective helmets or protective goggles, particularly for fusion welding Automatically operable protective means, e.g. a helmet, for use by welders, has an eye shading means which is brought automatically into shading condition upon reception of light rays or ultrasonic vibrations by a transducer and electromagnetic operator. ... | 03/16/1976 |
