Patent Theme

Vehicle & Specialized Door Locks

Locking mechanisms specifically designed for automotive applications, recreational vehicles, or unique door types like bi-fold, sliding, or container doors, often incorporating specific safety, noise reduction, or operational features.

5,517 US filings from 1,264 companies since 2023 · 2023: 1,360 · 2024: 1,732 · 2025: 1,669 · 2026 YTD: 756

Locks & Keys

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Schlage Lock Company LLC	160	32	59	49	20	-16.9%
2	Hyundai Motor Company	158	60	41	40	17	-2.4%
3	Kiekert AG	146	31	52	47	16	-9.6%
4	Ford Global Technologies, LLC	141	36	49	35	21	-28.6%
5	Kia Corporation	128	34	37	40	17	+8.1%
6	ILLINOIS TOOL WORKS INC.	103	21	29	30	23	+3.4%
7	TOYOTA JIDOSHA KABUSHIKI KAISHA	100	22	23	36	19	+56.5%
8	Magna Closures Inc.	88	22	26	35	5	+34.6%
9	Kiekert Aktiengesellschaft	74	4	15	27	28	+80.0%
10	Bayerische Motoren Werke Aktiengesellschaft	63	11	16	21	15	+31.2%
11	HONDA MOTOR CO., LTD.	56	14	27	13	2	-51.9%
12	ASSA ABLOY Americas Residential Inc.	55	2	25	17	11	-32.0%
13	MITSUI KINZOKU ACT CORPORATION	55	11	24	13	7	-45.8%
14	Rivian IP Holdings, LLC	53	11	22	17	3	-22.7%
15	Magna Mirrors of America, Inc.	49	17	13	15	4	+15.4%
16	AISIN CORPORATION	47	17	11	13	6	+18.2%
17	INTEVA PRODUCTS, LLC	46	9	15	10	12	-33.3%
18	Hanchett Entry Systems, Inc.	44	12	12	9	11	-25.0%
19	GM GLOBAL TECHNOLOGY OPERATIONS LLC	41	7	13	15	6	+15.4%
20	ABUS August Bremicker Söhne KG	40	8	13	13	6	0.0%
21	U-SHIN ITALIA S.p.A.	38	15	9	8	6	-11.1%
22	MERCEDES-BENZ GROUP AG	33	11	10	9	3	-10.0%
23	MINEBEA ACCESSSOLUTIONS ITALIA S.P.A.	33	·	15	11	7	-26.7%
24	TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.	33	12	4	12	5	+200.0%
25	Witte Automotive GmbH	32	10	7	12	3	+71.4%