"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
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 |
| 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 |
| 7284281 | Welding helmet having cartridge coupling structure Disclosed herein is a welding helmet having a cartridge coupling structure. The welding helmet comprises a helmet body configured to cover and protect the welder's head, an opening being formed at a front surface of the helmet body, a protective cover provided along... | 10/23/2007 |
| 4649571 | Dual vision welding helmet A welding helmet is fitted with two lenses, one tinted and one relatively clear. The tinted lens is mounted forward of the eyes of the viewer and the clear lens extends obliquely away from the tinted lens towards the face of the wearer. To view the workpi... | 03/17/1987 |
| 4646363 | Welders helmet This invention relates to an improved construction for welders helmets (10); wherein a generally rectangular visor housing member (18) projects outwardly from the helmet face plate element (16), and contains a generally opaque visor element (13) disposed ... | 03/03/1987 |