Spiral type

Industry

CPC
B66B21/06

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B66Lifting technology B66BELEVATORS ESCALATORS OR MOVING WALKWAYS B66B21/00Kinds or types of escalators or moving walkways

Current Industry

B66B21/06Spiral type

Industries

Patents Grantslast 30 patents

Information Patent Grant
System of hexagonal building units and escalators or moving walkway...
- Patent number 10,059,568
- Issue date Aug 28, 2018
- Edip Yuksel
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Robotic step transfer system for connecting ascending and descendin...
- Patent number 9,926,173
- Issue date Mar 27, 2018
- John Richard Strieter
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Helical escalator system
- Patent number 9,550,654
- Issue date Jan 24, 2017
- Hossein Bavafa
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Escalator for negotiating curves
- Patent number 6,899,216
- Issue date May 31, 2005
- Levytator Limited
- John Court Levy
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Drive system for curved escalator
- Patent number 5,775,477
- Issue date Jul 7, 1998
- O&K Rolltreppen GmbH
- Erik Brunn
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 5,544,729
- Issue date Aug 13, 1996
- O&K Rolltreppen GmbH
- Erik Brunn
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Vertically movable staircase
- Patent number 5,213,191
- Issue date May 25, 1993
- Matsushita Electric Works, Ltd.
- Susumu Tahara
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Escalator apparatus
- Patent number 5,184,710
- Issue date Feb 9, 1993
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Nakatani
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Circulating circular escalator
- Patent number 5,165,513
- Issue date Nov 24, 1992
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Nakatani
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Spiral escalator
- Patent number 5,158,167
- Issue date Oct 27, 1992
- Karl-Heinz Pahl
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 5,148,906
- Issue date Sep 22, 1992
- Erik Brunn
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Step chain roller for curved escalator
- Patent number 5,094,335
- Issue date Mar 10, 1992
- Otis Elevator Company
- Willy Adrian
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Circular escalator
- Patent number 5,052,539
- Issue date Oct 1, 1991
- Melvin Simon & Associates, Inc.
- Geoffrey S. Fillingsness
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Step riser profile for curved escalator
- Patent number 5,050,721
- Issue date Sep 24, 1991
- Otis Elevator Company
- Frank Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Conveyor having pivotally connected step units
- Patent number 5,033,606
- Issue date Jul 23, 1991
- Mitsubishi Jukogyo Kabushiki Kaisha
- Nobuaki Matoba
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator step chain turnaround zone
- Patent number 5,020,654
- Issue date Jun 4, 1991
- Otis Elevator Company
- Frank Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with fixed center constant radius path of travel
- Patent number 5,009,302
- Issue date Apr 23, 1991
- Otis Elevator Company
- Frank M. Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Balustrade radius development for curved escalator
- Patent number 4,984,671
- Issue date Jan 15, 1991
- Otis Elevator Company
- Frank Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Step chain for curved escalator
- Patent number 4,953,685
- Issue date Sep 4, 1990
- Otis Elevator Company
- Gerald Johnson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with vertical planar step risers and constant hori...
- Patent number 4,949,832
- Issue date Aug 21, 1990
- Otis Elevator Company
- Frank M. Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with fixed center constant radius path of travel
- Patent number 4,930,622
- Issue date Jun 5, 1990
- Otis Elevator Company
- Frank M. Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with fixed center constant radius path of travel
- Patent number 4,895,239
- Issue date Jan 23, 1990
- Otis Elevator Company
- Gerald E. Johnson
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with fixed center constant radius path of travel
- Patent number 4,884,673
- Issue date Dec 5, 1989
- Otis Elevator Company
- James A. Rivera
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator with fixed center constant radius path of travel
- Patent number 4,883,160
- Issue date Nov 28, 1989
- Otis Elevator Company
- Frank M. Sansevero
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 4,809,840
- Issue date Mar 7, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Nakatani
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 4,746,000
- Issue date May 24, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Nakatani
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 4,730,717
- Issue date Mar 15, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiko Sugita
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Frame structure for a curved escalator
- Patent number 4,726,460
- Issue date Feb 23, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Yoshimi Otomo
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curvilinear escalator
- Patent number 4,681,206
- Issue date Jul 21, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Kazuhiko Sugita
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Curved escalator
- Patent number 4,662,502
- Issue date May 5, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Hiroshi Nakatani
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
HELICAL ESCALATOR SYSTEM
- Publication number 20160368740
- Publication date Dec 22, 2016
- Hossein Bavafa
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Duo spiral escalator with curved return
- Publication number 20150068864
- Publication date Mar 12, 2015
- John Richard Strieter
- B66 - HOISTING LIFTING HAULING
Information Patent Application
DUO SPIRAL ESCALATOR WITH DIRECT RETURN
- Publication number 20140069771
- Publication date Mar 13, 2014
- JOHN RICHARD STRIETER
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Escalator for negotiating curves
- Publication number 20040050654
- Publication date Mar 18, 2004
- John Court Levy
- B66 - HOISTING LIFTING HAULING

Spiral type

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

System of hexagonal building units and escalators or moving walkway...

Robotic step transfer system for connecting ascending and descendin...

Helical escalator system

Escalator for negotiating curves

Drive system for curved escalator

Curved escalator

Vertically movable staircase

Escalator apparatus

Circulating circular escalator

Spiral escalator

Curved escalator

Step chain roller for curved escalator

Circular escalator

Step riser profile for curved escalator

Conveyor having pivotally connected step units

Curved escalator step chain turnaround zone

Curved escalator with fixed center constant radius path of travel

Balustrade radius development for curved escalator

Step chain for curved escalator

Curved escalator with vertical planar step risers and constant hori...

Curved escalator with fixed center constant radius path of travel

Curved escalator with fixed center constant radius path of travel

Curved escalator with fixed center constant radius path of travel

Curved escalator with fixed center constant radius path of travel

Curved escalator

Curved escalator

Curved escalator

Frame structure for a curved escalator

Curvilinear escalator

Curved escalator

Patents Applicationslast 30 patents

HELICAL ESCALATOR SYSTEM

Duo spiral escalator with curved return

DUO SPIRAL ESCALATOR WITH DIRECT RETURN

Escalator for negotiating curves