Patent Theme

Auxiliary Systems & Maintenance

Support systems for gas turbine engines, including specialized pumps, cleaning methods for engine components, mobile power generation units, and specific structural components like joints and fasteners.

6,837 US filings from 504 companies since 2023 · 2023: 1,768 · 2024: 2,062 · 2025: 2,097 · 2026 YTD: 910

Gas Turbine Plants

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	General Electric Company	1,612	331	459	564	258	+22.9%
2	RTX Corporation	797	53	247	330	167	+33.6%
3	Pratt & Whitney Canada Corp.	629	170	152	185	122	+21.7%
4	Rolls-Royce PLC	461	117	133	149	62	+12.0%
5	RAYTHEON TECHNOLOGIES CORPORATION	343	238	92	13	·	-85.9%
6	SAFRAN AIRCRAFT ENGINES	227	64	82	68	13	-17.1%
7	Rolls-Royce North American Technologies Inc.	206	49	73	73	11	0.0%
8	Rolls-Royce Corporation	157	43	46	56	12	+21.7%
9	MITSUBISHI HEAVY INDUSTRIES, LTD.	152	40	59	42	11	-28.8%
10	GE Infrastructure Technology LLC	145	1	58	69	17	+19.0%
11	GE Avio S.r.l.	145	28	37	50	30	+35.1%
12	HAMILTON SUNDSTRAND CORPORATION	129	41	34	47	7	+38.2%
13	Doosan Enerbility Co., Ltd.	102	35	33	20	14	-39.4%
14	Honeywell International Inc.	70	21	16	22	11	+37.5%
15	SIEMENS ENERGY GLOBAL GMBH & CO. KG	66	23	31	9	3	-71.0%
16	Unison Industries, LLC	57	17	17	19	4	+11.8%
17	BJ Energy Solutions, LLC	53	29	14	4	6	-71.4%
18	ROLLS-ROYCE DEUTSCHLAND LTD & CO KG	52	25	19	6	2	-68.4%
19	General Electric Company Polska Sp. z o.o.	52	16	12	18	6	+50.0%
20	GARRETT TRANSPORTATION I INC.	50	21	13	9	7	-30.8%
21	General Electric Deutschland Holding GmbH	48	19	10	11	8	+10.0%
22	MTU Aero Engines AG	44	17	11	12	4	+9.1%
23	Collins Engine Nozzles, Inc.	43	20	13	10	·	-23.1%
24	SAFRAN HELICOPTER ENGINES	42	8	14	16	4	+14.3%
25	Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.	42	14	16	11	1	-31.2%