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Class Information
Number: 73/384
Name: Measuring and testing > Barometer (e.g., altimeter)
Description: Barometers, i.e., devices for determining atmospheric pressure whether calibrated in units of barometric pressure or altitude.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600426 |
Calibration method and apparatus for a mobile device |
Oct. 13, 2009 |
| 7555947 |
Air pressure sensor |
Jul. 7, 2009 |
| 7493813 |
Electronic instrument movement/barometer |
Feb. 24, 2009 |
| 7429948 |
Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes |
Sep. 30, 2008 |
| 7424825 |
Barometric altimeter including a temperature compensation device |
Sep. 16, 2008 |
| 7404322 |
Altimeter with kolsman window clarifier |
Jul. 29, 2008 |
| 7350414 |
Mechanical barometer |
Apr. 1, 2008 |
| 7345956 |
Portable electronic device with analog display rate of climb indicator |
Mar. 18, 2008 |
| 7299113 |
System and method for determining aircraft tapeline altitude |
Nov. 20, 2007 |
| 7242639 |
Altimeter watch |
Jul. 10, 2007 |
| 7176811 |
Pressure altimeter electrical testing |
Feb. 13, 2007 |
| 7145501 |
Methods and systems for measuring terrain height |
Dec. 5, 2006 |
| 7142152 |
Device and method for calibrating and improving the accuracy of barometric altimeters with GPS-derived altitudes |
Nov. 28, 2006 |
| 7095364 |
Altitude measurement system and associated methods |
Aug. 22, 2006 |
| 6761064 |
Movement-detecting altimeter |
Jul. 13, 2004 |
| 6684175 |
Display method of an altitude display apparatus for displaying absolute altitude |
Jan. 27, 2004 |
| 6678629 |
Portable altimeter and altitude computing method |
Jan. 13, 2004 |
| 6640165 |
Method and system of determining altitude of flying object |
Oct. 28, 2003 |
| 6584839 |
Modular altimeter |
Jul. 1, 2003 |
| 6565992 |
Phosphorescent oxygen sensors |
May. 20, 2003 |
| 6530280 |
Hypsometer |
Mar. 11, 2003 |
| 6462703 |
Method and system for high precision altitude measurement over hostile terrain |
Oct. 8, 2002 |
| 6462665 |
Method and apparatus for sending a weather condition alert |
Oct. 8, 2002 |
| 6434485 |
GPS device with compass and altimeter and method for displaying navigation information |
Aug. 13, 2002 |
| 6381540 |
GPS device with compass and altimeter and method for displaying navigation information |
Apr. 30, 2002 |
| 6295001 |
Tornado warning system |
Sep. 25, 2001 |
| 6266583 |
System and method for improving the accuracy of pressure altitude determinations in an inertial navigation system |
Jul. 24, 2001 |
| 6255953 |
Tornado warning system |
Jul. 3, 2001 |
| 6232882 |
Warning system and method for detection of tornadoes |
May. 15, 2001 |
| H1937 |
Laser barometer |
Feb. 6, 2001 |
| 6034608 |
Tornado alarm system |
Mar. 7, 2000 |
| 5827973 |
Equipment for attaching a part on a substrate |
Oct. 27, 1998 |
| 5686664 |
Atmospheric tide and air density detector |
Nov. 11, 1997 |
| 5519671 |
Electronic equipment with depth measuring function |
May. 21, 1996 |
| 5402116 |
Atmospheric pressure calibration systems and methods |
Mar. 28, 1995 |
| 5295085 |
Pressure measurement device with selective pressure threshold crossings accumulator |
Mar. 15, 1994 |
| 5224059 |
Device for measuring altitude and barometric pressure |
Jun. 29, 1993 |
| 5191792 |
Instrument for indicating altitude or direction |
Mar. 9, 1993 |
| 5178010 |
Continuous graphical display of barometric data |
Jan. 12, 1993 |
| 5152179 |
Device for measuring variations in ambient pressure |
Oct. 6, 1992 |
| 5077906 |
Surveying rod leveling device |
Jan. 7, 1992 |
| 5058427 |
Accumulating altimeter with ascent/descent accumulation thresholds |
Oct. 22, 1991 |
| 5048337 |
Hypsometer having controlled heating, particularly for use in metrological radio-sondes |
Sep. 17, 1991 |
| 5031160 |
Small-sized electronic device with depth gauge |
Jul. 9, 1991 |
| 5001929 |
Electronic altimeter |
Mar. 26, 1991 |
| 4969358 |
Electronic altimeter/barometer |
Nov. 13, 1990 |
| 4938062 |
Barometric meter |
Jul. 3, 1990 |
| 4852262 |
Gauge for in situ measurement of borehole diameter |
Aug. 1, 1989 |
| 4779461 |
Method of and apparatus for measuring and recording the drop height of a container in transit |
Oct. 25, 1988 |
| 4746225 |
Instrument assembly support |
May. 24, 1988 |
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