Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7357593 | Tube connector A tube connector for connecting one tubular section to another tubular section. A hook apparatus is joined to a first tubular section and a latching apparatus joined to a second tubular section. The latching apparatus of the second tubular section removably engages ... | 04/15/2008 |
| 7325601 | Shaft locking couplings for submersible pump assemblies An electrical submersible pump assembly has first and second modular component sections, each of the sections having an outer housing and an inner shaft member. A coupling sleeve having a bore is disposed between the modular component sections and receives the shaft... | 02/05/2008 |
| 7150578 | Appliance mounting bracket A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality ... | 12/19/2006 |
| 7137355 | Self-cleaning pet litter apparatus with rotating rake and pan A self-cleaning litter apparatus that separates and extracts clumped litter waste material from litter material contained therein during use includes a chamber adapted to contain a quantity of litter material. The chamber is rotatable about a centrally disposed axis... | 11/21/2006 |
| 7089826 | Automatic tool attachment apparatus An apparatus for automatically coupling a tool to a manipulator having a spindle. The apparatus includes a first adapter and a second adapter. The first adapter includes a spindle mating portion and a first threaded portion. The second adapter includes a second thre... | 08/15/2006 |
| 6998756 | Rotor shaft The present invention provides a rotor shaft, comprising: a rod member (26); and a plurality of separately formed component parts (such as a compressor wheel 10, a turbine wheel 11 and a rotor 14 of an electric generator) through which th... | 02/14/2006 |
| 6910296 | Line splice using barb and receiver A splice system and method for linear connection of fishing lines include a female connector and a male connector. Each connector has first and second opposite ends and a longitudinal axis, about which the connector is symmetric. The first end of the female connecto... | 06/28/2005 |
| 6551009 | Spline connection for limited access space and method of assembly and disassembly A spline connection is provided between a first part and a second part wherein a first set of internal splines is formed on an inner cylindrical surface of the first part and a second set of internal splines is formed on an inner cylindrical surface of th... | 04/22/2003 |
| 5558405 | Protective frame for stroller A protective frame for a stroller including a seat portion, a pair of armrest poles disposed on opposite sides of the seat portion, a pair of retaining bodies releasably attached to the armrest poles, respectively, a pair of rigid pole bodies coupled to t... | 09/24/1996 |
| 5439307 | Apparatus for removably attaching and object to a support surface For fixing a rigid plate (10) on a fixing surface (12), a pad (18) mounted on the fixing surface (12) through the agency of a flat adhesive joint (20) is disposed in a cavity (14) on the underside of the plate (10). The pad (18) is joined at its centroid ... | 08/08/1995 |
| 4919558 | Pipe cleaning head adapter The present invention is a reducing coupling adapter, specifically for using known 5/8" sewer cleaning heads with the conventional 7/8" sewer cleaning cable and machine. The present invention simply snaps onto one end of a 7/8" cable at the front of the c... | 04/24/1990 |
| 4362426 | Road surface comprising individual interconnected elements Each road surface element (1) has a cut-out portion (3), which is delimited by means of section (4b) of a plate (4). The cut-out portion (3) is traversed by a bolt (6). A locking piece (2), which has two catches (26) on its lower side is inserted into the... | 12/07/1982 |
| 4264230 | Joint for outdoor furniture The joint is formed between two mutually perpendicular tubes by seating a washer in one tube, a nut within the other tube and by passing a bolt through the washer into threaded engagement with the nut. The resulting joint is hidden from view. A spreader b... | 04/28/1981 |
| 4239412 | Connector means Connector means are disclosed for connecting together two shaft members in coaxial relationship and in preselected angular orientation with respect to each other. The connector means includes a locking bracket which is secured to one end of the first of t... | 12/16/1980 |
| 4232419 | Articulated plumbers snake A sectional plumbers snake with a power driven end section having one end provided with a shank received in the tool holding chuck of a power drill, the other sections of the snake having complementary detachable connections permitting the addition of sec... | 11/11/1980 |
| 4166447 | Decorative fireplace standard for log grate A fireplace standard assembly including a decorative fireplace standard, a sleeve connector member connected to the rear surface of the fireplace standard and adapted to receive one of the front upright grate bar members of a log grate to resemble an andi... | 09/04/1979 |
| 4143985 | Pile connecting device A connecting device is described in which two complementary connecting elements comprise several interengaging locking portions with holes for driving pins thereinto to interlock the connecting elements, and spaces inside the locking portions to permit co... | 03/13/1979 |
| 4074893 | Fence A fence kit for constructing a fence having upright posts, rails extending between the adjacent posts, and coupling means connecting the rail ends to the adjacent posts in a manner which permits assembly of the kit into a fence without welding or special ... | 02/21/1978 |
| 4035092 | Dual breaking strength weak link A weak link for securing a life raft painter to a vessel in such a manner that, upon sinking of the vessel, the life raft in its container floats toward the surface to extend the painter its full length. The buoyant force of the raft and container activat... | 07/12/1977 |
