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Class Information
Number: 212/199
Name: Traversing hoists > Having boom shiftable vertically along a linear path
Description: Apparatus Including a boom* and structure supporting the boom which permits up or down translational movement of the entire boom along a rectilinear path.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6442439 |
Pendulation control system and method for rotary boom cranes |
Aug. 27, 2002 |
| 5645395 |
Building crane apparatus climbable on building walls |
Jul. 8, 1997 |
| 5478181 |
Method and apparatus for moving containers between a ship and a dock |
Dec. 26, 1995 |
| 5372469 |
Parcel cart for coil-shaped objects |
Dec. 13, 1994 |
| 5213222 |
Mobil crane |
May. 25, 1993 |
| 4712697 |
Lightweight tower crane boom for conveying pumped concrete |
Dec. 15, 1987 |
| 4648518 |
Self-lifting gantry crane and boom therefor |
Mar. 10, 1987 |
| 4596336 |
Mobile crane |
Jun. 24, 1986 |
| 4535900 |
Transfer apparatus and method |
Aug. 20, 1985 |
| 4508233 |
Compact heavy duty lifting crane |
Apr. 2, 1985 |
| 4446975 |
Rotary crane |
May. 8, 1984 |
| 4407420 |
Ship comprising one or more derricks such as a dredge with suction pipe derricks |
Oct. 4, 1983 |
| 4374566 |
Jib crane with polycentrical trajectory |
Feb. 22, 1983 |
| 4286721 |
Access equipment |
Sep. 1, 1981 |
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