ClassID:

164488

G01C9/34 - CPC Classification

Classification description:

Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble of the tubular type, i.e. for indicating the level in one direction only

Recent Application in this class:
#1
20260043919
2026-02-12

MEASURING DEVICE

#2
20250362195
2025-11-27

INTERCHANGEABLE DIRECTIONAL DIFFERENTIAL PRESSURE DETECTOR

#3
20250334406
2025-10-30

LEVEL

#4
20250334405
2025-10-30

FIREARM MOUNT

#5
20250314491
2025-10-09

COMBINATION TOOL

#6
20250305796
2025-10-02

WEAPON ANTI-CANT INDICATOR

#7
20250244118
2025-07-31

PIVOT SQUARE PRECISION MEASUREMENT TOOL

#8
20250164244
2025-05-22

ADJUSTABLE BUBBLE LEVEL TOOL

#9
20250102892
2025-03-27

IMAGE PROJECTING SYSTEMS AND METHODS

#10
20250102299
2025-03-27

LASER POCKET LEVEL MULTI-AXIS MICRO ADJUST

#11
20240393112
2024-11-28

LEVELING METHOD AND LEVELING SYSTEM

#12
20240310170
2024-09-19

MEASUREMENT DEVICES WITH INTEGRAL ANGLE FINDER, SPIRIT LEVELS, AND CASTOR DEVICE PAIR FOR USE WITH LADDERS

#13
20240295396
2024-09-05

CONSTRUCTION SURFACE FLATNESS DETECTOR

#14
20240264326
2024-08-08

Magnetic Stud Finding and Laser Marking Device

#15
20240240942
2024-07-18

Adjustable Spirit Level

#16
20240230331
2024-07-11

LEVEL WITH CAPTURED MAGNETIC STRIP

#17
20240175681
2024-05-30

LEVEL WITH VIAL PROTECTION ASSEMBLY

#18
20240151527
2024-05-09

Firearm mount

#19
20240142209
2024-05-02

Speed Square With Highly Visible Level

#20
20240133689
2024-04-25

LEVEL WITH CAPTURED MAGNETIC STRIP

#21
20240077282
2024-03-07

WEAPON ANTI-CANT INDICATOR

#22
20230341284
2023-10-26

INTERCHANGEABLE DIRECTIONAL DIFFERENTIAL PRESSURE DETECTOR

#23
20230314134
2023-10-05

Magnetic laser stud finder

#24
20230314132
2023-10-05

Device for Observing and Positioning Sharpening Angle of Cutting Edge

#25
20230288178
2023-09-14

MULTIFUNCTIONAL SPEED SQUARE

#26
20230280158
2023-09-07

Level with Rotating Vial and Locking Assembly

#27
20230251087
2023-08-10

Length adjustable level

#28
20230251086
2023-08-10

Spirit level

#29
20230251085
2023-08-10

Continuous edge adjustable level

#30
20230221114
2023-07-13

Level with removable end cap with wall grip

#31
20230184549
2023-06-15

Instrument for determining level or plumb orientations

#32
20230103815
2023-04-06

Device and method for mounting a sensor on a surface

#33
20230092298
2023-03-23

Apparatus and methods for hanging objects on a vertical surface

#34
20230039011
2023-02-09

DEVICE AND METHOD FOR HANGING HEAVY OBJECTS

#35
20220412735
2022-12-29

Level with removable end cap

#36
20220341734
2022-10-27

Conduit level method and apparatus

#37
20220333924
2022-10-20

Hands free level

#38
20220260370
2022-08-18

Level including removable end caps

#39
20220244049
2022-08-04

Laser level meter

#40
20220163326
2022-05-26

Spirit level

#41
20220099441
2022-03-31

Level With Self-Storing Cleaning Tool

#42
20220099425
2022-03-31

Angle measuring assembly

#43
20220090551
2022-03-24

VEHICLE SAFETY DEVICE FOR ENGINE SHUT-OFF AND EMERGENCY ASSISTANCE

#44
20220082382
2022-03-17

Level with vial protection assembly

#45
20220074741
2022-03-10

Two datum vial mounting system and method

#46
20220053951
2022-02-24

Apparatus and method for hanging a picture

#47
20220026190
2022-01-27

Multifunctional speed square

#48
20220018645
2022-01-20

Tool for verifying the leveling of vinyl siding at corner locations

#49
20210356849
2021-11-18

Image projecting systems and methods

#50
20210356270
2021-11-18

Continuous edge adjustable level

#51
20210333101
2021-10-28

Level with rotating vial and locking assembly

#52
20210318119
2021-10-14

Target sphere and target device

#53
20210310805
2021-10-07

Spirit level

#54
20210262795
2021-08-26

Level and level assembly

#55
20210252678
2021-08-19

Bracket Mounting Tool And Method Of Use

#56
20210239468
2021-08-05

Length selectable spirit level and measurement device

#57
20210239467
2021-08-05

Level with removable and/or interchangeable sleeve

#58
20210220893
2021-07-22

Aligning cap for conduits

#59
20210207959
2021-07-08

Length adjustable level

#60
20210190486
2021-06-24

Level and method of manufacturing same

#61
20210190467
2021-06-24

Magnetic pipe square level

#62
20210189740
2021-06-24

Trowel/float with level and replaceable surfaces

#63
20210180916
2021-06-17

Weapon anti-cant indicator

#64
20210156686
2021-05-27

Level with attachment feature

#65
20210148704
2021-05-20

MULTI-DIRECTIONAL MAGNETIC LEVELING DEVICE AND METHOD

#66
20210131803
2021-05-06

Spirit level with a lighting device therein

#67
20210102805
2021-04-08

Leveling tool

#68
20210048295
2021-02-18

Level with removable end cap

#69
20210010254
2021-01-14

Combination of a cover plate and a drain and use of such combination

#70
20200408498
2020-12-31

Leveling device for hanging picture frames

#71
20200379000
2020-12-03

Directional differential pressure detector having a differential pressure set point indicator

#72
20200345158
2020-11-05

Apparatus and Method for Hanging a Picture

#73
20200318961
2020-10-08

Level including removable end caps

#74
20200271448
2020-08-27

Vial mounting system for a box beam level

#75
20200256673
2020-08-13

Level vial mounting system for a box beam level

#76
20200232795
2020-07-23

Level multitool

#77
20200232793
2020-07-23

Two datum vial mounting system and method

#78
20200191567
2020-06-18

Level with removable and/or interchangeable sleeve

#79
20200149856
2020-05-14

Digital Step Square

#80
20200149489
2020-05-14

Vehicle safety device for engine shut-off and emergency assistance

#81
20200132455
2020-04-30

Expandable level with full functionality in both open and closed positions

#82
20200130144
2020-04-30

System and method for mounting carpenter levels

#83
20200103229
2020-04-02

Level with rotating vial and locking assembly

#84
20200018597
2020-01-16

Continuous edge adjustable level

#85
20200011073
2020-01-09

Deck construction device

#86
20190390958
2019-12-26

Surface slope measuring device and measuring of identifying a surface slope thereof

#87
20190323837
2019-10-24

Level and method of manufacturing same

#88
20190316904
2019-10-17

Adherent level

#89
20190285414
2019-09-19

Laser Alignment Guide

#90
20190265032
2019-08-29

Length adjustable level

#91
20190257649
2019-08-22

Leveling tool

#92
20180364041
2018-12-20

MULTI-DIRECTIONAL MAGNETIC LEVELING DEVICE AND METHOD

#93
20180306579
2018-10-25

H-shaped spirit level

#94
20180172443
2018-06-21

Level with removable end cap

#95
20180156613
2018-06-07

Level including removable end caps

#96
20180156145
2018-06-07

Vehicle rollover safety device utilizing a circular arc level

#97
20180149477
2018-05-31

Bubble level using reflection

#98
20180135982
2018-05-17

Level including a slot for receiving a straight edge

#99
20180128611
2018-05-10

Adjustable clamping mechanism for a level

#100
20180120104
2018-05-03

Easy Assembly Level

#101
20180100739
2018-04-12

Level

#102
20180094925
2018-04-05

Level with removable and/or interchangeable sleeve

#103
20180010912
2018-01-11

Leveling device

#104
20180003497
2018-01-04

Level vial

#105
20170370718
2017-12-28

Level and level-straightedge system

#106
20170370717
2017-12-28

Universal liquid angle indicator

#107
20170343348
2017-11-30

Laser alignment guide

#108
20170343347
2017-11-30

EASY ASSEMBLY LEVEL

#109
20170328711
2017-11-16

Level with rotating angle indicator

#110
20170314919
2017-11-02

LEVELING DEVICE

#111
20170292837
2017-10-12

ADHERENT BACKED LEVEL DOT

#112
20170204622
2017-07-20

Installation tools and pre-hung door with the same

#113
20170184398
2017-06-29

Carbon fiber composite level and method of manufacturing same

#114
20170167869
2017-06-15

Level with rotating vial and locking assembly

#115
20170131098
2017-05-11

SPIRIT LEVEL STRUCTURE

#116
20170095094
2017-04-06

Systems and methods for a frame hanging device

#117
20170082432
2017-03-23

Level with magnetic coupling

#118
20170027341
2017-02-02

Picture hanging devices and methods thereof

#119
20170010097
2017-01-12

Spirit level

#120
20170003127
2017-01-05

SPIRIT LEVEL

#121
20170003126
2017-01-05

SLOPE AND ANGLE FINDER

#122
20170003125
2017-01-05

Spirit level having reflection bubble

#123
20160368296
2016-12-22

Stamp with built-in leveling feature

#124
20160349048
2016-12-01

LEVELING DEVICE

#125
20160341549
2016-11-24

Conduit-bending level

#126
20160313119
2016-10-27

FLEXIBLE STRAIGHTEDGE AND LEVEL

#127
20160282114
2016-09-29

Combination level and right angle measuring tool

#128
20160146603
2016-05-26

Levelling Device

#129
20160138918
2016-05-19

Level including removable end caps

#130
20160138917
2016-05-19

Level including a slot for receiving a straight edge

#131
20160116279
2016-04-28

Double-bead horizontal and vertical spirit level, apparatus using the spirit level, and method of measuring distance and height by using the apparatus

#132
20160109234
2016-04-21

Plumber's level

#133
20160097625
2016-04-07

ADJUSTABLE INSTRUMENT FOR MEASURING, DETERMINING AND MARKING TWO OR MORE HORIZONTAL OR VERTICAL POINTS AND METHOD OF USE OF SAME

#134
20160069661
2016-03-10

Gauging jig and film attaching device having the same

#135
20160047650
2016-02-18

Angular measurement tool

#136
20160025490
2016-01-28

Attachable level with rotatable bubble vial

#137
20160018222
2016-01-21

Device for making collinear equidistant marks

#138
20160018206
2016-01-21

STUD-SETTING CONSTRUCTION TOOL AND METHODS OF USE

#139
20150354955
2015-12-10

Corner Level

#140
20150354230
2015-12-10

Mounting bracket

#141
20150314412
2015-11-05

Lathe cutter height gauge and method of use

#142
20150308822
2015-10-29

Illuminating spirit level apparatus

#143
20150308821
2015-10-29

Level device

#144
20150300819
2015-10-22

Carbon fiber composite level and method of manufacturing same

#145
20150300818
2015-10-22

Conduit-bending level

#146
20150168143
2015-06-18

Level vial and method of manufacturing same

#147
20150160008
2015-06-11

Post level

#148
20150128432
2015-05-14

Slidable Alignment Apparatus

#149
20150075017
2015-03-19

Angular indicator tool

#150
20150007438
2015-01-08

LEVEL

#151
20140101951
2014-04-17

Compass and clinometer apparatus having the compass

#152
20140090260
2014-04-03

Multi-angle levels and plumbing methods

#153
20130091717
2013-04-18

Level

#154
20130075558
2013-03-28

Mounting bracket

#155
20120204434
2012-08-16

Door installation tool and method

#156
20120151785
2012-06-21

Multi-angle levels and plumbing methods

#157
20120102659
2012-05-03

Distance And Incline Measuring Tools

#158
20120005908
2012-01-12

Expandable leveler

#159
20110162222
2011-07-07

Spirit level having horizontal bubble vial with improved bubble visibility

#160
20110079938
2011-04-07

COMPOSITE LEVEL TOOL

#161
20100251956
2010-10-07

Manual inclinometer systems and methods for preventing motor vehicle crashes

#162
20090298606
2009-12-03

Golf Club With Level Indicator

#163
20090260242
2009-10-22

Integral electrode tilt sensor and method for making same

#164
20090158605
2009-06-25

Environmentally-friendly levels

#165
20090151179
2009-06-18

Airlessly sealed vial

#166
20080282562
2008-11-20

Composite Level Tool

#167
20080271331
2008-11-06

Clamping level tool

#168
20080229594
2008-09-25

Spirit Level

#169
20080222907
2008-09-18

Multiple angle compact spirit level

#170
20080189967
2008-08-14

Standardizable level tool

#171
20070234584
2007-10-11

Wall-hanging-aid device and method of use

#172
20070220765
2007-09-27

Slope Level

#173
20070113414
2007-05-24

Pocket level

#174
20070107242
2007-05-17

Slope level

#175
20060107540
2006-05-25

Tiltsensor

#176
20060048400
2006-03-09

Non-contact electronic level

#177
20060037204
2006-02-23

Indicator vial

#178
20050229413
2005-10-20

Dark-banded vial for use with level

#179
20050223576
2005-10-13

Single calibration dual vial for leveling apparatuses and applications

#180
20050178017
2005-08-18

Non-contact electronic level

#181
20050116371
2005-06-02

Adjustable core pin for vial molding

#182
18644913
2025-03-04

Stud finder

#183
18200995
2025-09-09

Wall art hanging tool

#184
17958299
2024-03-05

Level device with removable endcap

#185
17238127
2022-02-22

Extendible level with non-coplanar extension surface

#186
17200960
2021-12-07

Extendible level with non-coplanar extension surface

#187
17114891
2023-07-11

Weight bar level attachment

#188
17088972
2023-01-10

Apparatus and methods for hanging objects on a vertical surface

#189
16857251
2023-12-26

Illuminated level

#190
16818028
2021-12-21

Device used for aligning a rotatable drum

#191
16204462
2020-01-28

Anti-cant indicator

#192
15865351
2020-02-04

Multi-use tape measure

#193
15695062
2019-10-08

Adjustable laser line, level, and square

#194
15609007
2018-07-10

Clamping apparatus for a level

#195
15142166
2017-05-16

Gravity-based angle sensor with LED indicator

#196
15077414
2018-04-03

Orthogonally-aligned level tool

#197
14919941
2018-06-12

Eyeline sighting device and related methods

#198
14870263
2018-03-06

Lathe leveler