Mechanical Power Transmission Joints

Assemblies and components designed for reliable and efficient transfer of rotational or axial forces between mechanical parts, accommodating misalignment or specific motion profiles.

6,095 US filings from 1,533 companies since 2023 · 2023: 2,038 · 2024: 1,856 · 2025: 1,621 · 2026 YTD: 580

Couplings & Brakes (Mechanical)

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	Schaeffler Technologies AG & Co. KG	263	93	76	71	23	-6.6%
2	ZF Friedrichshafen AG	138	52	39	34	13	-12.8%
3	AKTIEBOLAGET SKF	78	34	17	19	8	+11.8%
4	TSUBAKIMOTO CHAIN CO.	69	17	23	21	8	-8.7%
5	Deere & Company	65	21	14	24	6	+71.4%
6	KABUSHIKI KAISHA F.C.C.	65	25	21	14	5	-33.3%
7	TOYOTA JIDOSHA KABUSHIKI KAISHA	63	25	21	9	8	-57.1%
8	Steering Solutions IP Holding Corporation	61	26	20	13	2	-35.0%
9	JATCO Ltd	56	16	13	19	8	+46.2%
10	Hyundai Motor Company	55	24	16	12	3	-25.0%
11	NTN Corporation	54	12	27	12	3	-55.6%
12	HAMILTON SUNDSTRAND CORPORATION	50	15	18	15	2	-16.7%
13	ArvinMeritor Technology, LLC	49	19	18	11	1	-38.9%
14	GE Avio S.r.l.	49	9	9	25	6	+177.8%
15	Kia Corporation	49	17	16	12	4	-25.0%
16	NSK Ltd.	47	19	16	9	3	-43.8%
17	HONDA MOTOR CO., LTD.	45	12	15	16	2	+6.7%
18	General Electric Company	44	8	8	23	5	+187.5%
19	GM GLOBAL TECHNOLOGY OPERATIONS LLC	44	17	12	13	2	+8.3%
20	GOODRICH CORPORATION	44	15	20	4	5	-80.0%
21	Nissan Motor Co., Ltd.	44	9	12	17	6	+41.7%
22	DANA ITALIA S.R.L.	43	8	19	11	5	-42.1%
23	DENSO CORPORATION	41	25	11	4	1	-63.6%
24	Volvo Truck Corporation	41	8	13	12	8	-7.7%
25	Means Industries, Inc.	40	12	14	9	5	-35.7%