| Class Number |
Class Name |
No. of Patents |
| | Applications (364/400) | |
| | Electrical/electronic engineering (364/480) | |
| 702/85 |
Calibration or correction system |
644 |
| 702/103 |
Acoustic |
39 |
| 702/107 |
Circuit tuning (e.g., potentiometer, amplifier) |
285 |
| 702/92 |
Direction (e.g., compass) |
133 |
| 702/93 |
By another sensor |
61 |
| 702/90 |
Error due to component compatibility |
61 |
| 702/91 |
Having interchangeable sensors or probes |
72 |
| 702/100 |
Fluid or fluid flow measurement |
334 |
| 702/105 |
For mechanical system |
168 |
| 702/97 |
Length, distance, or thickness |
132 |
| 702/86 |
Linearization of measurement |
124 |
| 702/94 |
Position measurement |
394 |
| 702/95 |
Coordinate positioning |
261 |
| 702/98 |
Pressure |
125 |
| 702/104 |
Sensor or transducer |
478 |
| 702/106 |
Signal frequency or phase correction |
220 |
| 702/96 |
Speed |
90 |
| 702/99 |
Temperature |
267 |
| 702/89 |
Timing (e.g., delay, synchronization) |
160 |
| 702/101 |
Weight |
143 |
| 702/102 |
Tare weight adjusted |
39 |
| 702/88 |
Zero-full scaling |
59 |
| 702/87 |
Zeroing (e.g., null) |
92 |
| 702/1 |
Measurement system in a specific environment |
142 |
| 702/19 |
Biological or biochemical |
1122 |
| 702/21 |
Cell count or shape or size analysis (e.g., blood cell) |
112 |
| 702/20 |
Gene sequence determination |
408 |
| 702/22 |
Chemical analysis |
566 |
| 702/30 |
Chemical property analysis |
366 |
| 702/27 |
Molecular structure or composition determination |
480 |
| 702/28 |
Using radiant energy |
182 |
| 702/29 |
Particle size determination |
71 |
| 702/23 |
Quantitative determination (e.g., mass, concentration, density) |
347 |
| 702/26 |
By particle count |
51 |
| 702/24 |
Gaseous mixture (e.g., solid-gas, liquid-gas, gas-gas) |
230 |
| 702/25 |
Liquid mixture (e.g., solid-liquid, liquid-liquid) |
170 |
| 702/31 |
Specific operation control system |
177 |
| 702/32 |
Specific signal data processing |
297 |
| 702/2 |
Earth science |
286 |
| 702/14 |
Seismology |
574 |
| 702/15 |
Earthquake or volcanic activity |
52 |
| 702/17 |
Filtering or noise reduction/removal |
337 |
| 702/16 |
Specific display system (e.g., mapping, profiling) |
219 |
| 702/18 |
Velocity of seismic wave |
127 |
| 702/5 |
Topography (e.g., land mapping) |
236 |
| 702/3 |
Weather |
309 |
| 702/4 |
Lightning |
52 |
| 702/6 |
Well logging or borehole study |
455 |
| 702/7 |
By induction or resistivity logging tool |
257 |
| 702/8 |
By radiation (e.g., nuclear, gamma, x-ray) |
90 |
| 702/10 |
Dipmeter |
80 |
| 702/9 |
Drilling |
278 |
| 702/11 |
Formation characteristic |
207 |
| 702/12 |
Fluid flow investigation |
208 |
| 702/13 |
Hydrocarbon prospecting |
190 |
| 702/57 |
Electrical signal parameter measurement system |
625 |
| 702/58 |
For electrical fault detection |
395 |
| 702/59 |
Fault location |
220 |
| 702/60 |
Power parameter |
525 |
| 702/63 |
Battery monitoring |
322 |
| 702/61 |
Power logging (e.g., metering) |
286 |
| 702/62 |
Including communication means |
270 |
| 702/80 |
Specified memory location generation for storage |
57 |
| 702/79 |
Time-related parameter (e.g., pulse-width, period, delay, etc.) |
335 |
| 702/64 |
Voltage or current |
577 |
| 702/65 |
Including related electrical parameter |
446 |
| 702/66 |
Waveform analysis |
444 |
| 702/67 |
Display of waveform |
252 |
| 702/68 |
Having specified user interface (e.g., marker, menu) |
111 |
| 702/75 |
Frequency |
327 |
| 702/78 |
By count (e.g., pulse) |
70 |
| 702/76 |
Frequency spectrum |
323 |
| 702/77 |
Using fourier method |
276 |
| 702/69 |
Signal quality (e.g., timing jitter, distortion, signal-to-noise ratio) |
347 |
| 702/70 |
Waveform extraction |
106 |
| 702/71 |
Waveform-to-waveform comparison |
106 |
| 702/73 |
Identification of waveform |
79 |
| 702/72 |
Phase comparison |
117 |
| 702/74 |
Signal-in-signal determination |
86 |
| 702/33 |
Mechanical measurement system |
339 |
| 702/35 |
Flaw or defect detection |
417 |
| 702/38 |
Electromagnetic (e.g., eddy current) |
108 |
| 702/36 |
Location |
106 |
| 702/40 |
Radiant energy (e.g., x-ray, infrared, laser) |
130 |
| 702/39 |
Sound energy (e.g., ultrasonic) |
156 |
| 702/45 |
Flow metering |
486 |
| 702/48 |
Acoustic |
84 |
| 702/46 |
Count or pulse |
72 |
| 702/47 |
Pressure, resistive, or capacitive sensor |
175 |
| 702/49 |
Radiant energy |
42 |
| 702/50 |
Fluid measurement (e.g., mass, pressure, viscosity) |
375 |
| 702/54 |
Acoustic or vibration sensor |
114 |
| 702/52 |
Capacitive sensor |
51 |
| 702/51 |
Leak detecting |
191 |
| 702/55 |
Liquid level or volume determination |
212 |
| 702/53 |
Resistive sensor |
27 |
| 702/41 |
Force or torque measurement |
279 |
| 702/44 |
Mechanical work or power measurement |
67 |
| 702/42 |
Stress or strain measurement |
204 |
| 702/43 |
Torsional, shear, tensile, or compression |
126 |
| 702/56 |
Vibration detection |
442 |
| 702/34 |
Wear or deterioration evaluation |
338 |
| 702/81 |
Quality evaluation |
412 |
| 702/82 |
Having judging means (e.g., accept/reject) |
193 |
| 702/84 |
Quality control |
382 |
| 702/83 |
Sampling inspection plan |
133 |
| 702/127 |
Measurement system |
415 |
| 702/141 |
Accelerometer |
240 |
| 702/128 |
Article count or size distribution |
99 |
| 702/129 |
Quantitative determination by weight |
37 |
| 702/137 |
Density |
60 |
| 702/155 |
Dimensional determination |
304 |
| 702/156 |
Area or volume |
101 |
| 702/167 |
Contouring |
201 |
| 702/168 |
By probe (e.g., contact) |
138 |
| 702/169 |
Center of gravity |
30 |
| 702/166 |
Height or depth |
114 |
| 702/158 |
Linear distance or length |
236 |
| 702/159 |
By reflected signal (e.g., ultrasonic, light, laser) |
250 |
| 702/163 |
By rotary encoding means |
77 |
| 702/164 |
Electronic tape measure |
26 |
| 702/165 |
Odometer |
61 |
| 702/161 |
Electronic ruler |
21 |
| 702/162 |
Micrometer |
19 |
| 702/160 |
Pedometer |
88 |
| 702/157 |
Radius or diameter |
68 |
| 702/170 |
Thickness or width |
171 |
| 702/172 |
By radiant energy (e.g., x-ray, light) |
90 |
| 702/171 |
By ultrasonic |
38 |
| 702/187 |
History logging or time stamping |
534 |
| 702/189 |
Measured signal processing |
937 |
| 702/199 |
Averaging |
87 |
| 702/198 |
Measurement conversion processing (e.g., true-to-rms value) |
63 |
| 702/190 |
Signal extraction or separation (e.g., filtering) |
460 |
| 702/191 |
For noise removal or suppression |
276 |
| 702/194 |
By mathematical attenuation (e.g., weighting, averaging) |
141 |
| 702/195 |
Subtracting noise component |
45 |
| 702/193 |
By threshold comparison |
112 |
| 702/196 |
Using matrix operation |
115 |
| 702/197 |
Having multiple filtering stages |
43 |
| 702/150 |
Orientation or position |
871 |
| 702/152 |
3d position |
296 |
| 702/153 |
3d orientation |
221 |
| 702/151 |
Angular position |
337 |
| 702/154 |
Inclinometer |
72 |
| 702/182 |
Performance or efficiency evaluation |
1589 |
| 702/186 |
Computer and peripheral benchmarking |
588 |
| 702/183 |
Diagnostic analysis |
1288 |
| 702/185 |
Cause or fault identification |
707 |
| 702/184 |
Maintenance |
444 |
| 702/138 |
Pressure |
236 |
| 702/139 |
Exerted on or by a living body |
71 |
| 702/140 |
Within an enclosure |
123 |
| 702/188 |
Remote supervisory monitoring |
1021 |
| 702/142 |
Speed |
242 |
| 702/149 |
By distance and time measurement |
84 |
| 702/143 |
By radar or sonar |
48 |
| 702/144 |
Of aircraft |
58 |
| 702/145 |
Rotational speed |
207 |
| 702/146 |
Averaging performed |
40 |
| 702/147 |
Specific mathematical operation performed |
97 |
| 702/148 |
For wheel speed |
130 |
| 702/179 |
Statistical measurement |
645 |
| 702/180 |
Histogram distribution |
155 |
| 702/181 |
Probability determination |
409 |
| 702/130 |
Temperature measuring system |
667 |
| 702/131 |
Body temperature |
84 |
| 702/134 |
By radiant energy |
93 |
| 702/135 |
Infrared |
49 |
| 702/133 |
By resistive means |
76 |
| 702/132 |
Thermal protection |
256 |
| 702/136 |
Thermal related property |
190 |
| 702/176 |
Time duration or rate |
354 |
| 702/177 |
Due time monitoring (e.g., medication clock, maintenance interval) |
144 |
| 702/178 |
Timekeeping (e.g., clock, calendar, stopwatch) |
183 |
| 702/173 |
Weight |
348 |
| 702/175 |
Of moving article |
72 |
| 702/174 |
Payload |
97 |
| 702/108 |
Testing system |
462 |
| 702/109 |
For transfer function determination |
123 |
| 702/110 |
Binary signal stimulus (e.g., pulse) |
27 |
| 702/111 |
Noise signal stimulus (e.g., white noise) |
38 |
| 702/112 |
Sinusoidal signal stimulus |
30 |
| 702/121 |
Including multiple test instruments |
172 |
| 702/123 |
Including program set up |
285 |
| 702/122 |
Including specific communication means |
351 |
| 702/117 |
Of circuit |
790 |
| 702/120 |
Including input/output or test mode selection means |
307 |
| 702/119 |
Including program initialization (e.g., program loading) or code selection (e.g., program creation) |
325 |
| 702/118 |
Testing multiple circuits |
388 |
| 702/113 |
Of mechanical system |
162 |
| 702/115 |
Electromechanical or magnetic system |
97 |
| 702/114 |
Pneumatic or hydraulic system |
70 |
| 702/116 |
Of sensing device |
181 |
| 702/124 |
Signal generation or waveform shaping |
176 |
| 702/126 |
Signal conversion |
58 |
| 702/125 |
Timing signal |
123 |