Microparticle & Lint Management

Systems and methods for filtering microplastics, lint, and other foreign particulates from water or air streams within laundry appliances, often including self-cleaning or blockage detection mechanisms.

8,250 US filings from 2,176 companies since 2023 · 2023: 2,309 · 2024: 2,526 · 2025: 2,339 · 2026 YTD: 1,076

Laundry / Dry Cleaning

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.	906	211	297	294	104	-1.0%
2	SAMSUNG ELECTRONICS CO., LTD.	455	113	130	155	57	+19.2%
3	Whirlpool Corporation	399	156	122	73	48	-40.2%
4	Haier US Appliance Solutions, Inc.	334	80	90	109	55	+21.1%
5	Donaldson Company, Inc.	249	71	88	72	18	-18.2%
6	MANN+HUMMEL GmbH	142	33	48	37	24	-22.9%
7	HAIER SMART HOME CO., LTD.	98	23	34	29	12	-14.7%
8	Cummins Filtration IP, Inc.	61	25	24	12	·	-50.0%
9	NGK INSULATORS, LTD.	58	21	14	12	11	-14.3%
10	CORNING INCORPORATED	54	16	20	12	6	-40.0%
11	ELECTROLUX APPLIANCES AKTIEBOLAG	52	11	19	19	3	0.0%
12	Monotony.ai, Inc.	45	11	18	12	4	-33.3%
13	Hollingsworth & Vose Company	43	13	14	12	4	-14.3%
14	K&N Engineering, Inc.	43	12	9	18	4	+100.0%
15	Caterpillar Inc.	41	13	11	9	8	-18.2%
16	3M Innovative Properties Company	39	14	10	12	3	+20.0%
17	COWAY Co., Ltd.	39	9	10	15	5	+50.0%
18	Cummins Filtration Inc.	39	13	11	11	4	0.0%
19	QINGDAO HAIER WASHING MACHINE CO., LTD.	36	9	11	11	5	0.0%
20	ENTEGRIS, INC.	35	12	17	2	4	-88.2%
21	Wuxi Little Swan Electric Co., Ltd.	34	3	9	16	6	+77.8%
22	HAMILTON SUNDSTRAND CORPORATION	32	5	14	10	3	-28.6%
23	MIDEA GROUP CO., LTD.	30	12	8	6	4	-25.0%
24	DelStar Technologies, Inc.	28	11	2	7	8	+250.0%
25	KX Technologies LLC	26	8	14	4	·	-71.4%