|
|
US
22,457 (1858) Your boat sinks?
No problem. Just walk to shore using this human powered
"Life Raft". |
 |
US
273,815 (1883) Here's a hard-to-find rowed
monocycle (sort of) complete with pitch control for hills, tandem
capability and optional canopy for foul weather. |
|
|
US
327,397 (1885) With this rocking-chair
propelled quad for two, you can stop wasting all that energy going
nowhere on the front porch. |
 |
US
642,544 (1900) How about a
rowbike that looks like a rowbike? [ Actually pretty
clever] |
 |
US
1,072,027 (1913) Here's a real "Water
Bicycle". [ Remember "red-right-returning" ]
|
 |
US
1,264,523 (1918) Having trouble
walking on water? Here's an approach almost guaranteed to work.
[ Not recommended with an off-shore breeze. ] |
 |
US
1,449,643 (1923) Here's a clever hobbyhorse
trike propelled by vertical seat movements ... complete with stirrups
and steering reins. |
|
|
US
1,486,991 (1924) This bicycle with
flapping wings is sure to get lots of ... attention. |
 |
US
1,563,571 (1925) You can still probably
be the first in your neighborhood to have a "Jumping
Balloon". |
 |
US
1,585,258 (1926) This "Pole
Unicycle" appears to be an early version of the Segway HT ... and
without batteries to charge. |
 |
US
2,803,837 (1956) Thinking about trying Human
Powered Vehicles? This "Sportsman's Boat" might be a
good way to get your feet wet. |
 |
US
3,467,375 (1969) Having trouble
leaping over tall buildings? The answer might be this cross
between a pogo stick and a helicopter. |
 |
US
3,570,436 (1971) This
"Submersible Bicycle" resembles a HP Submarine without the
submarine. [ Actually, it looks like it might be practical (and
fun).] |
 |
US
3,843,157 (1974) Here's a kid's trike
propelled by moving a large surrounding hoop. |
 |
US
3,977,094 (1976) These self-propelled
"Pogo Shoes" may take a little practice to master. |
 |
US
4,243,218 (1981) This up-scale
pogo-stick is touted in the patent as a potential means of
transportation. |
 |
US
4,458,895 (1984) You can have a
ball with this amphibious HPV ... maybe. |
 |
US
5,454,579 (1995) Trouble
mastering riding a unicycle? Here's one solution. |
 |
US
5,509,831 (1996) How about a sea-going
unicycle ... in case you run out of human powered challenges? |
 |
US
5,980,432 (1999) Picture dozens
of these hopping around your neighborhood on a quiet night! |
 |
DE
3,940,311 (1990) If you're a
land-locked gondolier, this might be the HPV for you. |
