|
US4133546A
(en)
*
|
1977-03-28 |
1979-01-09 |
Frank Rosenblum |
Vehicle
|
|
US4120510A
(en)
*
|
1977-03-30 |
1978-10-17 |
John S. Brown |
Wheeled skateboards
|
|
US4120508A
(en)
*
|
1977-03-30 |
1978-10-17 |
John Steven Brown |
Wheeled skateboards
|
|
US4134600A
(en)
*
|
1977-04-25 |
1979-01-16 |
Mcdonald Benjamin J |
Roller ski apparatus with spring suspension
|
|
GB1590115A
(en)
*
|
1977-08-11 |
1981-05-28 |
Cj Uniques Ltd |
Wheeled carriage for recreational purposes
|
|
US4235448A
(en)
*
|
1977-12-09 |
1980-11-25 |
Brooks Thomas |
Skiing simulator
|
|
US4607839A
(en)
*
|
1983-03-04 |
1986-08-26 |
Knudson Mark M |
Snow ski machine
|
|
US4572528A
(en)
*
|
1983-05-10 |
1986-02-25 |
Mcbride Curtis J |
Grass ski
|
|
FR2569120A1
(fr)
*
|
1984-08-20 |
1986-02-21 |
Poulouin Armand |
Vehicule sur roues pour la descente de pentes a forte declivite
|
|
USD301495S
(en)
|
1986-05-08 |
1989-06-06 |
Oliver Riggs |
Balance toy walker
|
|
US4744576A
(en)
*
|
1987-06-11 |
1988-05-17 |
Scollan Jr Hugh J |
Roller board apparatus with independent laterally compliant surface and braking resistance
|
|
FR2619019A1
(fr)
*
|
1987-08-03 |
1989-02-10 |
Charbonnier Jacques |
Appareil permettant de skier sur deux skis maintenus paralleles
|
|
AU103244S
(en)
|
1987-11-04 |
1989-03-09 |
|
A ride-on wheeled toy
|
|
US4886298A
(en)
*
|
1987-11-30 |
1989-12-12 |
Shols Christopher B |
Roller ski
|
|
US5374228A
(en)
*
|
1992-06-02 |
1994-12-20 |
Nordictrack, Inc. |
Downhill skiing exercise machine
|
|
SE9302487D0
(sv)
*
|
1993-07-23 |
1993-07-23 |
Urban Soedling |
Anordning foer styrning av foerflyttningsriktningen hos en mobil enhet
|
|
US5372384A
(en)
*
|
1994-03-01 |
1994-12-13 |
Smith; David R. |
Ski-turn simulator
|
|
US5547204A
(en)
*
|
1994-04-11 |
1996-08-20 |
Gamzo; Israel |
Multipurpose mobile device with open sided foot engagement
|
|
US5549331A
(en)
*
|
1994-06-03 |
1996-08-27 |
Yun; Young W. |
Inline skateboard
|
|
US5855385A
(en)
*
|
1996-09-23 |
1999-01-05 |
Hambsch; Stephen G. |
Wheeled board apparatus having platform with concave sidecuts
|
|
DE19748215C1
(de)
*
|
1997-09-26 |
1999-02-11 |
Andreas Dipl Ing Epstein |
Trainingsvorrichtung
|
|
WO1999016516A1
(en)
|
1997-09-26 |
1999-04-08 |
Andreas Epstein |
A training device
|
|
US6231483B1
(en)
|
1999-06-24 |
2001-05-15 |
Forrest B. Phillips |
Sliding exercise apparatus and recreational device
|
|
DE29922904U1
(de)
*
|
1999-12-28 |
2000-02-17 |
Hsieh, Jung-Pao, Chungli, Taoyuan |
Mehrzweckgleitgerät
|
|
US20030178803A1
(en)
*
|
2002-03-20 |
2003-09-25 |
Michael Killian |
Two wheel steering scooter with latitudinal aligned wheels
|
|
US20030209901A1
(en)
*
|
2002-05-07 |
2003-11-13 |
Hamel Floyd L. |
Snow arc ski board and sports arc
|
|
US7000930B2
(en)
*
|
2003-05-29 |
2006-02-21 |
Smith Johnnie L |
Tandem-wheeled riding device
|
|
US7568709B2
(en)
*
|
2003-07-03 |
2009-08-04 |
Massachusetts Institute Of Technology |
Passive stabilization systems for wheeled objects
|
|
US7172205B1
(en)
*
|
2004-05-28 |
2007-02-06 |
Vujtech James A |
Two-wheeled riding-board apparatus
|
|
US20050280230A1
(en)
*
|
2004-06-18 |
2005-12-22 |
Chorng-Jiang Lin |
Anti-slip surface for skateboards
|
|
US20050285363A1
(en)
*
|
2004-06-28 |
2005-12-29 |
Joung Woo K |
Roller sled and roller ski using the same
|
|
US7213823B1
(en)
*
|
2005-01-13 |
2007-05-08 |
Vujtech James A |
Two-wheeled riding-board apparatus
|
|
US8181975B2
(en)
*
|
2009-02-10 |
2012-05-22 |
Sarbjit Parhar |
Scooter vehicle system
|
|
US20110175338A1
(en)
*
|
2010-01-18 |
2011-07-21 |
Senseman Phillip E |
Skateboard Propelling Assist Device
|
|
GB201012167D0
(en)
*
|
2010-07-20 |
2010-09-01 |
Leary Eamonn O |
A wheeled vehicle
|
|
US20120104715A1
(en)
*
|
2010-11-03 |
2012-05-03 |
Joseph Michael Alotta |
Multi-person skateboard system
|
|
JP5174882B2
(ja)
*
|
2010-11-10 |
2013-04-03 |
ジェイディジャパン株式会社 |
スケートボード
|
|
JP2013240570A
(ja)
*
|
2012-04-24 |
2013-12-05 |
Jd Japan Kk |
スケートボード
|
|
US9539489B2
(en)
|
2014-12-19 |
2017-01-10 |
Lafayette College |
Summer style wheeled ski
|
|
US9592434B2
(en)
*
|
2015-04-10 |
2017-03-14 |
Mark A. Slagter |
Stand-on land vehicle for simulating skiing
|
|
EP3344512A4
(en)
*
|
2015-09-02 |
2019-05-01 |
Shane Chen |
PERSONAL TRANSPORT DEVICE
|
|
EP3452184A4
(en)
*
|
2016-05-06 |
2019-12-11 |
Slagter, Mark, A. |
COUNTRY VEHICLE TO STAND FOR THE SIMULATION OF SKIING
|
|
US9889368B1
(en)
*
|
2016-09-02 |
2018-02-13 |
Shane Chen |
Personal transportation device
|
|
EP3406305A1
(de)
*
|
2017-05-24 |
2018-11-28 |
Stefan Finger |
Verfahren und vorrichtung zum ski ähnlichen bergabfahren auf rollen und rädern
|
|
KR101953693B1
(ko)
*
|
2017-09-13 |
2019-05-23 |
이창주 |
스케이트용 스핀 연습구
|
|
US11724175B2
(en)
*
|
2021-06-18 |
2023-08-15 |
Yvolve Sports Limited |
Swing scooter with movable foot platforms
|