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Class Information
Number: 49/29
Name: Movable or removable closures > Time controlled
Description: Device provided with a means for measuring or determining a time interval or lag, and which imparts to or permits movement of the closure after a predetermined interval or at a specified time.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7509991 |
Parking barrier with accident event logging and self-diagnostic control system |
Mar. 31, 2009 |
| 7342368 |
Automated garage door closer |
Mar. 11, 2008 |
| 7198484 |
System to automatically extinguish a candle |
Apr. 3, 2007 |
| 7187146 |
Opening-and-closing control device |
Mar. 6, 2007 |
| 7024819 |
Automatic door closing device |
Apr. 11, 2006 |
| 6737968 |
Movable barrier operator having passive infrared detector |
May. 18, 2004 |
| 6533003 |
Ice dispenser duct door mechanism |
Mar. 18, 2003 |
| 6452353 |
System for detection of obstructions in a motorized door system |
Sep. 17, 2002 |
| 6445152 |
Door control system |
Sep. 3, 2002 |
| 6387332 |
Safety system |
May. 14, 2002 |
| 6212825 |
Safety crossing gate |
Apr. 10, 2001 |
| 6062368 |
Automatic bottom-hinged intake door |
May. 16, 2000 |
| 6046562 |
Security system for automatic door |
Apr. 4, 2000 |
| 5932982 |
Apparatus for automatically opening a lid |
Aug. 3, 1999 |
| 5802766 |
Method and apparatus for controlling automatic opening and closing of window of driver's cab of working vehicle |
Sep. 8, 1998 |
| 5789887 |
Automatic door |
Aug. 4, 1998 |
| 5752343 |
Universal garage door closer |
May. 19, 1998 |
| 5458776 |
Sand dewatering centriguse |
Oct. 17, 1995 |
| 5398448 |
Apparatus closing mechanism, particularly for film welding devices |
Mar. 21, 1995 |
| 5372401 |
Sliding roof for an automobile |
Dec. 13, 1994 |
| 5371447 |
Repositioning system |
Dec. 6, 1994 |
| 5347755 |
Automatically actuated door arrangement |
Sep. 20, 1994 |
| 5280754 |
Transit car power door obstruction sensing system and device |
Jan. 25, 1994 |
| 5226256 |
Window system for a building |
Jul. 13, 1993 |
| 5159203 |
Safety circuit for flywheel masses or machine parts that are driven by electric motor and can be braked or arrested electrically |
Oct. 27, 1992 |
| 4981084 |
Transit car door system and operation |
Jan. 1, 1991 |
| 4658545 |
Automatic door opener and closer |
Apr. 21, 1987 |
| 4653229 |
Holding installation for double doors |
Mar. 31, 1987 |
| 4614057 |
Automatic operating system and method for swinging doors |
Sep. 30, 1986 |
| 4581849 |
Revolving door control |
Apr. 15, 1986 |
| 4348835 |
Automatic door opening device |
Sep. 14, 1982 |
| 4092575 |
Apparatus for automatically controlling the operation of automatic door |
May. 30, 1978 |
| 4090641 |
Refrigerator ice door mechanism |
May. 23, 1978 |
| 4089436 |
Refrigerator ice door mechanism |
May. 16, 1978 |
| 4067144 |
Method of driving door of automatic door assembly |
Jan. 10, 1978 |
| 3981248 |
Timing gate for ski-lifts |
Sep. 21, 1976 |
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