Connector Locking Mechanisms

Mechanical features or components integrated into connector housings or mating interfaces to ensure secure engagement and prevent accidental disengagement.

7,164 US filings from 1,764 companies since 2023 · 2023: 1,831 · 2024: 2,171 · 2025: 2,153 · 2026 YTD: 1,009

Electrical Connectors

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Sumitomo Wiring Systems, Ltd.	550	124	163	169	94	+3.7%
2	YAZAKI CORPORATION	243	47	97	66	33	-32.0%
3	AutoNetworks Technologies, Ltd.	203	49	77	52	25	-32.5%
4	Sumitomo Electric Industries, Ltd.	201	51	73	53	24	-27.4%
5	TE Connectivity Solutions GmbH	171	26	46	62	37	+34.8%
6	Tyco Electronics (Shanghai) Co., Ltd.	171	34	35	71	31	+102.9%
7	JAPAN AVIATION ELECTRONICS INDUSTRY, LIMITED	165	45	48	54	18	+12.5%
8	Molex, LLC	127	32	43	27	25	-37.2%
9	DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD	121	30	29	45	17	+55.2%
10	FOXCONN INTERCONNECT TECHNOLOGY LIMITED	111	39	23	33	16	+43.5%
11	Aptiv Technologies AG	88	·	21	41	26	+95.2%
12	FOXCONN (KUNSHAN) COMPUTER CONNECTOR CO., LTD.	88	32	18	26	12	+44.4%
13	HARTING ELECTRIC STIFTUNG & CO. KG	82	11	21	39	11	+85.7%
14	DELL PRODUCTS L.P.	73	13	27	24	9	-11.1%
15	HIROSE ELECTRIC CO., LTD.	69	19	21	14	15	-33.3%
16	ILLINOIS TOOL WORKS INC.	65	16	18	18	13	0.0%
17	Hubbell Incorporated	59	19	16	13	11	-18.8%
18	TE Connectivity Germany GmbH	58	20	21	9	8	-57.1%
19	PHOENIX CONTACT GMBH & CO. KG	58	10	19	17	12	-10.5%
20	Apple Inc.	52	10	24	12	6	-50.0%
21	Japan Aviation Electronics Industry, Ltd.	39	6	5	13	15	+160.0%
22	Panasonic Intellectual Property Management Co., Ltd.	39	10	9	13	7	+44.4%
23	Rosenberger Hochfrequenztechnik GmbH & Co. KG	38	12	8	17	1	+112.5%
24	KYOCERA CORPORATION	36	8	11	11	6	0.0%
25	Eaton Intelligent Power Limited	34	5	15	12	2	-20.0%