U.S. patents available from 1976 to present.
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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 16/24 - Ball


Subclass of Class 16 - Miscellaneous hardware
Definition: Casters comprising balls.
No. of patents: 16
Last issue date: 04/08/2008


NumberTitleIssue Date
7354733Method for sorting and separating living cells
We disclose methods of sorting or separating mixtures of living cells (e.g., eukaryotic, prokaryotic, mammalian, pathogenic, bacterial, viral, etc.). We perform our methods by activating cell-selective photophoric labels, which photosensitize and chemically reduce a...
04/08/2008
6931191Photonic crystal device having variable bandgap, optical waveguide using the same, and optical multiplexing/demultiplexing device using the same
A photonic crystal device having a variable bandgap includes a periodic structural body including a plurality of separate dielectric members arranged at intervals. The dielectric members are formed of a high-dielectric material. A variable-dielectric-constant materi...
08/16/2005
6770686Photocationic initiator combinations
New photocationic photoinitiator combinations are described that consist of 2,4,6-triarylpyrylium salts with non-nucleophilic anions and electron donors, that are able rapidly to crosslink unpigmented as well as pigmented mixtures based on cycloaliphatic epoxides to...
08/03/2004
6675820Safety support device with adjustable arm support members & method
The safety support device of this invention includes a frame having a mounting section. A pair of forward legs are attached to a forward end of the mounting section and a pair of rear legs are attached to a rear end of the mounting section. Each leg has a...
01/13/2004
6568031Caster assembly for a bed frame member or furniture
A caster assembly that can be used with furniture to support the furniture and to make the furniture mobile. The caster assembly has a housing with a stem that extends upwardly to be attached to the particular piece of furniture. Within the housing is a p...
05/27/2003
6345416Detachable, auxiliary car door handle
A detachable, auxiliary car door handle comprises an intermediate grip (16) and end clips (18) adapted for selective attachment to the edge of a door to facilitate opening....
02/12/2002
6134747Ball caster with snap-in ball
A caster for rollably supporting a device with respect to a support surface is disclosed. The caster includes a body and a spherical member. The body has a concave surface thereof. The spherical member is rotatably contactable with at least a portion of t...
10/24/2000
6070701Wheel device for a baby walker
A wheel device for a baby walker provided on the bottom surface of a chasis of the baby walker, it is comprised of a first semi-sphere provided with a fixing portion fixed on the bottom surface of the chasis; a second semi-sphere exactly closely covering ...
06/06/2000
6038734Bearing caster
A bearing caster for resting heavy objects thereon for permitting easy movement of the object. The inventive device includes a body with a pad provided on the top of the body. A plurality of rolling balls are rotationally mounted to the bottom (14) of the...
03/21/2000
5379485Flexible sheeting with casters
A flexible base web, which can be supplied from a roll, has casters distributed over one of its surfaces. The base web can be spooled and segments shorter than the overall length can be cut from the base web and affixed to heavy objects for allowing them ...
01/10/1995
5243866Starting device for internal combustion engines
The starting device includes a starting pinion mounted on a thrust rod and movable between a disengaged and engaged position with an internal combustion engine; a movable switching bolt located in a solenoid; a sphere mounted at an end face of the switchi...
09/14/1993
4939806Pool cleaner
A swimming pool cleaner which has a head mounted on wheels, a suction passage through the head, a turbine which is mounted in the suction passage, and a propellor which is driven by the turbine and which propels the head. A rudder, which is oscillated via...
07/10/1990
4689847Ball unit
A ball unit (10), in particular for conveying devices (1), possesses a load ball (12), which by a part (14) of its surface can bear against a load object, a bearing unit (24), which so bears and encloses the load ball to be freely rotatable that a free pa...
09/01/1987
4203177Castor
A castor comprising a socket member defined by a base portion and a cup portion extending from the base portion, the base portion being adapted to be affixed to the underside of an article, and the cup portion defining a generally dome-shaped cavity there...
05/20/1980
4123819Bi-directional re-entering wheel for fixed and extendible trolleys and feet
A caster or dolly for placement under a heavy object that is intended to be moved across a floor or other surface; the dolly including a spring-loaded, telescopic arm which at each opposite end is supported upon a rotatable roller mounted on an axle that ...
11/07/1978
 
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