Oscillating tubular motor, especially hydrogen engine for vehicle, has combustion air supplied via cooling mantle, heat exchanger in exhaust gas flow and partition beam channels
NL9401418A
Sand skeleton in hydraulic, toroidal earthquake buffer, functioning as a carrier as long as the earth is at rest under the buffer.
NL9401417A
Pneumatic hydraulic shock and vibration damper.
NL9401419A
Method and apparatus for fabricating seamless, hollow bodies from rubber or plastic
NL9301278A
Attachment strip on the hinge side of doors, preventing fingers from being trapped
NL9301277A
Clamping structure for preventing reinforcement tubes for inflatable water shoes from sliding out
NL8603259A
Liquid buffer to protect buildings from earthquakes.
NL8601421A
Building floor and roof construction - has concrete slabs with steel inserts fitting into grooves in walls
NL8601420A
Earthquake brace for building - has vertical and horizontal tension bars connected together by coupling plates
WO8400499A1
Elongated propelling means for manually moving a sailing craft over the water surface
BR8307467A
Self-sustained water ski
EP0114861A1
Self-sustaining water ski.
BR8307466A
Elonged propulsor element to manually advancing a sailboat on the water surface
NL8302683A
Propelling device fixed to bottom of water ski - has two pleats at rear of flexible plate
NL8204324A
Layered tiles for building - with plastic substrate layer and hydraulic binder facing layer
NL8203246A
Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines
NL8203091A
Manual propulsion device for sailing craft - comprises stick with flexible circular foil on concentric tube and fastened to stick end via lines
NL8203090A
Self-sustaining water ski - has stiffening struts secured to base and foot entry spaced formed by separable walls
NL8103270A
Water-ski manual propulsion implement - comprises thin flexible plate clamped to stick, and with ropes from edges
NL8103271A
Self supporting water-ski - has inflatable float with foot instep portion
