Patent Theme
Automated Additive Dispensing
Mechanisms for storing, dispensing, and monitoring the delivery of liquid or solid laundry additives (detergents, softeners) into the wash fluid, including diagnostics for ensuring correct operation.
4,869 US filings from 1,025 companies since 2023 · 2023: 1,195 · 2024: 1,589 · 2025: 1,456 · 2026 YTD: 629
Cleaning ProcessesLaundry / 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 | The Procter & Gamble Company | 405 | 85 | 128 | 132 | 60 | +3.1% |
| 2 | LG ELECTRONICS INC. | 392 | 95 | 124 | 126 | 47 | +1.6% |
| 3 | Haier US Appliance Solutions, Inc. | 325 | 71 | 85 | 120 | 49 | +41.2% |
| 4 | Whirlpool Corporation | 261 | 106 | 79 | 50 | 26 | -36.7% |
| 5 | SAMSUNG ELECTRONICS CO., LTD. | 192 | 45 | 50 | 70 | 27 | +40.0% |
| 6 | Ecolab USA Inc. | 180 | 42 | 67 | 53 | 18 | -20.9% |
| 7 | Henkel AG & Co. KGaA | 173 | 40 | 46 | 72 | 15 | +56.5% |
| 8 | HITACHI HIGH-TECH CORPORATION | 135 | 32 | 50 | 34 | 19 | -32.0% |
| 9 | CONOPCO, INC., D/B/A UNILEVER | 83 | 20 | 38 | 16 | 9 | -57.9% |
| 10 | HAIER SMART HOME CO., LTD. | 68 | 11 | 29 | 19 | 9 | -34.5% |
| 11 | ELECTROLUX APPLIANCES AKTIEBOLAG | 53 | 11 | 19 | 20 | 3 | +5.3% |
| 12 | ROHM AND HAAS COMPANY | 50 | 8 | 18 | 18 | 6 | 0.0% |
| 13 | SHIMADZU CORPORATION | 43 | 11 | 15 | 12 | 5 | -20.0% |
| 14 | Dow Global Technologies LLC | 40 | 5 | 15 | 14 | 6 | -6.7% |
| 15 | Monotony.ai, Inc. | 36 | 6 | 15 | 11 | 4 | -26.7% |
| 16 | BASF SE | 32 | 12 | 8 | 6 | 6 | -25.0% |
| 17 | MIDEA GROUP CO., LTD. | 28 | 9 | 8 | 4 | 7 | -50.0% |
| 18 | Sonny's HFI Holdings, LLC | 28 | 2 | 6 | 17 | 3 | +183.3% |
| 19 | Novozymes A/S | 26 | 4 | 9 | 11 | 2 | +22.2% |
| 20 | APTAR FRANCE SAS | 24 | 3 | 7 | 8 | 6 | +14.3% |
| 21 | GOJO Industries, Inc. | 24 | 8 | 10 | 2 | 4 | -80.0% |
| 22 | Reckitt Benckiser Finish B.V. | 24 | 10 | 3 | 6 | 5 | +100.0% |
| 23 | Guala Dispensing S.P.A. | 23 | 4 | 9 | 5 | 5 | -44.4% |
| 24 | QINGDAO HAIER DRUM WASHING MACHINE CO., LTD. | 22 | 7 | 9 | 5 | 1 | -44.4% |
| 25 | DOW SILICONES CORPORATION | 21 | 3 | 5 | 11 | 2 | +120.0% |