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Class Information
Number: 33/397
Name: Geometrical instruments > Indicator of direction of force traversing natural media > Level or plumb, terrestrial gravitation responsive > Pendulum > Gimbal mounted
Description: Device wherein the pendulum is so suspended as to incline freely in any direction (e.g., universal joint, ball and socket, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6981331 |
Fork level indicator with magnetic dampening means |
Jan. 3, 2006 |
| 6968627 |
Slope determination system |
Nov. 29, 2005 |
| 6722049 |
Inclination measurement apparatus |
Apr. 20, 2004 |
| 6625895 |
Servo-controlled automatic level and plumb tool |
Sep. 30, 2003 |
| 6546639 |
Inclination measurement apparatus |
Apr. 15, 2003 |
| 6536122 |
Laser line beam emitting apparatus having functions of laser marking or plumb instrument, or leveler |
Mar. 25, 2003 |
| 6393708 |
Method and apparatus for providing alignment particularly in construction tasks |
May. 28, 2002 |
| 5752322 |
Gimballed ouroboros compass device with digital logic |
May. 19, 1998 |
| 5406713 |
Apparatus for maintaining a scientific and measuring instrument or the like in a level plane |
Apr. 18, 1995 |
| 5163229 |
Plumb and horizontal locating device |
Nov. 17, 1992 |
| 5138771 |
Three dimensional homologous surveying instrument |
Aug. 18, 1992 |
| 5112053 |
Golf club and plumbing device thereof |
May. 12, 1992 |
| 5063680 |
Self-erecting tiltmeter |
Nov. 12, 1991 |
| 4949467 |
Inclinometer including an apparatus for maintaining a scientific and measuring instrument or the like in a level plane |
Aug. 21, 1990 |
| 4635375 |
Vertical shaft system for gyroscopic theodolites with two degrees of freedom |
Jan. 13, 1987 |
| 4517749 |
Stable plumb beam optical projector |
May. 21, 1985 |
| 4389792 |
Drill core inclinometer |
Jun. 28, 1983 |
| 4288056 |
Device for setting the direction and/or the inclination of an elongated rock drilling apparatus |
Sep. 8, 1981 |
| 3975831 |
Directing instrument |
Aug. 24, 1976 |
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