Patent Theme

Motor System Fault Detection

Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.

6,900 US filings from 1,822 companies since 2023 · 2023: 1,837 · 2024: 2,178 · 2025: 2,020 · 2026 YTD: 865

Electrical MeasurementMotor Control

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Mitsubishi Electric Corporation	148	49	49	41	9	-16.3%
2	ABB Schweiz AG	147	40	41	44	22	+7.3%
3	Robert Bosch GmbH	108	24	44	27	13	-38.6%
4	Eaton Intelligent Power Limited	106	26	34	29	17	-14.7%
5	DENSO CORPORATION	99	28	37	24	10	-35.1%
6	HAMILTON SUNDSTRAND CORPORATION	98	34	30	24	10	-20.0%
7	FANUC CORPORATION	94	29	33	24	8	-27.3%
8	Siemens Aktiengesellschaft	88	32	26	17	13	-34.6%
9	TOYOTA JIDOSHA KABUSHIKI KAISHA	79	16	20	28	15	+40.0%
10	Hyundai Motor Company	72	20	24	19	9	-20.8%
11	GM GLOBAL TECHNOLOGY OPERATIONS LLC	68	22	19	22	5	+15.8%
12	Schneider Electric Industries SAS	68	18	20	23	7	+15.0%
13	Kia Corporation	67	17	22	19	9	-13.6%
14	TEXAS INSTRUMENTS INCORPORATED	62	17	19	23	3	+21.1%
15	Rockwell Automation Technologies, Inc.	60	19	18	19	4	+5.6%
16	Panasonic Intellectual Property Management Co., Ltd.	57	15	20	16	6	-20.0%
17	ROHM CO., LTD.	55	13	13	24	5	+84.6%
18	SCHNEIDER ELECTRIC USA, INC.	53	7	16	18	12	+12.5%
19	HITACHI ASTEMO, LTD.	52	13	17	17	5	0.0%
20	KABUSHIKI KAISHA TOSHIBA	51	14	18	15	4	-16.7%
21	Infineon Technologies AG	49	15	14	15	5	+7.1%
22	The Boeing Company	48	8	12	13	15	+8.3%
23	Schweitzer Engineering Laboratories, Inc.	45	15	15	11	4	-26.7%
24	Ford Global Technologies, LLC	43	15	13	10	5	-23.1%
25	Caterpillar Inc.	37	7	10	15	5	+50.0%