Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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 |
| 7228631 | Contouring shave The invention is directed to a hand tool for cutting shavings from the surface of a workpiece of wood (or other workable material) to shape and make smooth any three-dimensional surface having concave, flat, and/or convex contours. The thickness of the shavings is m... | 06/12/2007 |
| 7216435 | Adjustable wooden spokeshave A spokeshave providing an easily used depth of cut adjustment that is simple, effective and requires no extra tool or blade removal for adjustment. The blade of the spokeshave is mounted on two posts that project normal to the back of the blade, and the posts are re... | 05/15/2007 |
| 7117602 | Shoulder plane A plane such as a shoulder plane having at least two set screws positioned in apertures in the body, the set screws adapted to bear against opposite sides of the blade laterally to adjust the blade in position. An adjustment assembly is also provided, where rotation... | 10/10/2006 |
| 6905290 | Hand rasp with groove blade and adjustable guide for scoring construction material An improved hand rasp comprises a planar plate with an anterior surface and an opposing posterior surface. An ergonomic handle is affixed to the anterior surface of the plate. A groove blade is removably affixed to the posterior surface of the plate by attachment me... | 06/14/2005 |
| 6615497 | Bench plane Bench planes of different sizes having interchangeable components and an adjustable frog providing full blade support with a frog foot that extends through the plane body mouth to terminate co-planer or nearly co-planer with the sole. The rear plane handl... | 09/09/2003 |
| 6026712 | Tool dressing device A tool sharpening or dressing device provides a blade having a knife edge held within an aperture from below so that as the tool is drawn along a surface above the edge is able to trim the tool. The blade is clamped by a rotating washer with detent groove... | 02/22/2000 |
| 5694696 | Scraper plane insert A scraper plane and plane insert that substitutes, in the place of a conventional plane iron or blade and cap iron, a bracket formed by bending sheet mild steel to form two arms, one of which is secured to the frog and the other of which holds a scraper b... | 12/09/1997 |
| 5040297 | Fiberglass panel cutter with adjustable square and duct knife The present fiberglass panel cutter includes a blade extractor tab for slightly displacing or deflecting scrap pieces of ductboard from their corresponding grooves, a blade height adjuster for controlling the depth of the groove, a blade with aligned aper... | 08/20/1991 |
| 4589209 | Woodworking plane A plane with an interchangeable iron that can be displaced at an angle to the contact surface of the plane frame, along the direction in which the plane travels. The iron is also displaceable on each side of a midposition parallel to the contact surface o... | 05/20/1986 |
| 4498513 | Plane A plane comprising a body between the side walls (1,2) of which two soles (3,4) are fixed, the lower faces (14,15) of these soles being located in a common plane. A V-shaped opening is provided between the soles (3,4). A blade-holder mounted on a shaft (2... | 02/12/1985 |
| 4015649 | Wood planes A plane for use with disposable blades (whose longest dimension is parallel to the cutting edge) has a blade-holding part in which the blade can be released by a quick-release lever from being clamped between a rigid member and a spring-biased sheet metal... | 04/05/1977 |