Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Transportation & Automotive
Class Information
Number: 441/77
Name: Buoys, rafts, and aquatic devices > Water skimming or walking device > Water walking device (e.g., water shoes) > Having pivoted traction flap
Description: Device wherein an element is provided having a fulcrum point which allows the element to move in and out of a working position in order to increase the traction of the buoyant member.










Patents under this class:

Patent Number Title Of Patent Date Issued
7354326 Personal watercraft Apr. 8, 2008
7121910 Upright human floatation apparatus and propulsion mechanism therefor Oct. 17, 2006
6939187 Personal water transport assembly Sep. 6, 2005
6855024 Skis to walk on water Feb. 15, 2005
6764363 Upright human floatation apparatus and propulsion mechanism therefor Jul. 20, 2004
5593334 Water walkers Jan. 14, 1997
5458514 Surfboards with paddlers Oct. 17, 1995
5429538 Mechanism capable of making variation in radial angle Jul. 4, 1995
5421759 Dynamically balanced bouyant skis Jun. 6, 1995
5277636 Personal flotation device Jan. 11, 1994
5236381 Manually powered water skis Aug. 17, 1993
5120249 Combination catamaran boat and cross water ski system Jun. 9, 1992
5080621 Water walking device Jan. 14, 1992
4984648 Motorized skiboard Jan. 15, 1991
4952184 Cross-water ski Aug. 28, 1990
4915659 Water ski also adapted for use on land Apr. 10, 1990
4846743 Water skiing buoyant shoes Jul. 11, 1989
4808134 Water ski boot Feb. 28, 1989
4731039 Floats to be used pairwise to walk on water Mar. 15, 1988
4698039 Apparatus for walking on water or land Oct. 6, 1987
4681551 Aquatic device Jul. 21, 1987
4541809 Water glider assembly Sep. 17, 1985
4459118 Water glider assembly Jul. 10, 1984
4261069 Water walker Apr. 14, 1981
4117562 Water walker Oct. 3, 1978
4034430 Water-walking apparatus Jul. 12, 1977
3936897 Buoyant water-walking apparatus Feb. 10, 1976











 
 
  Recently Added Patents
Method and apparatus for sensing an input object relative to a sensing region of an ultrasound sensor device
Scanning of a touch screen
Optical input device
Anti-reductive high-frequency ceramic dielectric material sintered at low temperature and matched with copper internal electrode
System and method for stranded file opens during disk compression utility requests
Document layout method
Coordinate locating method and apparatus
  Randomly Featured Patents
Portion of a shoe
Holding body to attach a sealing foil of synthetic material to a foundation
Pellet stove mantel with integral hopper
Conveyor for transport of bags of refuse
Dual band receiver
X-ray target with high strength bond
Movable machinery, including pavement working apparatus and methods of making
Audio signal processing method, audio signal processing apparatus, HI-FI video apparatus, digital video apparatus and 8 MM video apparatus
Three dimensional tab system
Saving power by powering down an instruction fetch array based on capacity history of instruction buffer