Advanced Debris Collection & Filtration

Innovations in vacuum cleaner components and systems for efficiently separating, compacting, and containing collected dust, dirt, or lint. This often involves multi-stage filtration, cyclonic separation, or specialized disposal mechanisms to improve air quality and ease of maintenance.

5,495 US filings from 1,306 companies since 2023 · 2023: 1,423 · 2024: 1,860 · 2025: 1,495 · 2026 YTD: 717

Domestic Cleaning Devices

Top companies

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

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	LG ELECTRONICS INC.	374	111	132	92	39	-30.3%
2	Omachron Intellectual Property Inc.	244	69	92	61	22	-33.7%
3	SAMSUNG ELECTRONICS CO., LTD.	213	55	67	59	32	-11.9%
4	Donaldson Company, Inc.	202	52	69	64	17	-7.2%
5	MANN+HUMMEL GmbH	154	40	57	30	27	-47.4%
6	BISSELL Inc.	146	41	57	28	20	-50.9%
7	SharkNinja Operating LLC	137	28	48	38	23	-20.8%
8	Dyson Technology Limited	111	23	25	50	13	+100.0%
9	Whirlpool Corporation	69	28	17	13	11	-23.5%
10	Milwaukee Electric Tool Corporation	55	9	15	18	13	+20.0%
11	Techtronic Floor Care Technology Limited	49	23	17	7	2	-58.8%
12	The Heil Co.	47	9	12	14	12	+16.7%
13	MAKITA CORPORATION	46	17	11	16	2	+45.5%
14	Beijing Roborock Technology Co., Ltd.	45	3	12	21	9	+75.0%
15	iRobot Corporation	45	10	17	13	5	-23.5%
16	Cummins Filtration IP, Inc.	43	10	26	6	1	-76.9%
17	K&N Engineering, Inc.	42	10	11	17	4	+54.5%
18	Haier US Appliance Solutions, Inc.	40	11	10	13	6	+30.0%
19	MIDEA GROUP CO., LTD.	40	11	12	12	5	0.0%
20	TECHTRONIC CORDLESS GP	39	9	13	15	2	+15.4%
21	Caterpillar Inc.	35	12	10	6	7	-40.0%
22	Cummins Filtration Inc.	31	11	8	10	2	+25.0%
23	BSH Hausgeräte GmbH	28	2	8	15	3	+87.5%
24	Hilti Aktiengesellschaft	27	8	7	10	2	+42.9%
25	NGK INSULATORS, LTD.	25	6	6	7	6	+16.7%