← All themesAir Quality & Dehumidification
Technologies focused on improving indoor air quality by removing pollutants, microorganisms, or excess humidity, often employing specialized materials, filtration, or air circulation strategies.
4,448 US filings from 1,572 companies since 2023 · 2023: 1,312 · 2024: 1,375 · 2025: 1,228 · 2026 YTD: 533
HVAC & Air Conditioning
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. | 189 | 37 | 69 | 54 | 29 | -21.7% |
| 2 | Fisher & Paykel Healthcare Limited | 147 | 34 | 57 | 35 | 21 | -38.6% |
| 3 | SAMSUNG ELECTRONICS CO., LTD. | 144 | 35 | 41 | 46 | 22 | +12.2% |
| 4 | ResMed Pty Ltd | 117 | 41 | 32 | 35 | 9 | +9.4% |
| 5 | Microjet Technology Co., Ltd. | 95 | 11 | 26 | 35 | 23 | +34.6% |
| 6 | GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD. | 82 | 25 | 31 | 18 | 8 | -41.9% |
| 7 | MIDEA GROUP CO., LTD. | 59 | 20 | 21 | 12 | 6 | -42.9% |
| 8 | DAIKIN INDUSTRIES, LTD. | 53 | 12 | 22 | 15 | 4 | -31.8% |
| 9 | Mitsubishi Electric Corporation | 51 | 15 | 26 | 9 | 1 | -65.4% |
| 10 | CARRIER CORPORATION | 44 | 19 | 11 | 3 | 11 | -72.7% |
| 11 | COWAY Co., Ltd. | 33 | 9 | 14 | 6 | 4 | -57.1% |
| 12 | Panasonic Intellectual Property Management Co., Ltd. | 32 | 7 | 16 | 5 | 4 | -68.8% |
| 13 | Dyson Technology Limited | 31 | 7 | 10 | 10 | 4 | 0.0% |
| 14 | The Boeing Company | 28 | 7 | 9 | 9 | 3 | 0.0% |
| 15 | TRANE INTERNATIONAL INC. | 25 | 14 | 5 | 5 | 1 | 0.0% |
| 16 | Haier US Appliance Solutions, Inc. | 24 | 9 | 3 | 9 | 3 | +200.0% |
| 17 | Research Products Corporation | 24 | 5 | 7 | 9 | 3 | +28.6% |
| 18 | BMC MEDICAL CO., LTD. | 23 | 7 | 11 | 4 | 1 | -63.6% |
| 19 | Seoul Viosys Co., Ltd. | 21 | 3 | 10 | 6 | 2 | -40.0% |
| 20 | Therma-Stor LLC | 20 | 10 | 3 | 7 | · | +133.3% |
| 21 | Water Harvesting, Inc. | 19 | 5 | 5 | 8 | 1 | +60.0% |
| 22 | Ingersoll-Rand Industrial U.S., Inc. | 18 | 6 | 6 | 6 | · | 0.0% |
| 23 | KONINKLIJKE PHILIPS N.V. | 18 | 10 | 4 | 4 | · | 0.0% |
| 24 | SOURCE Global, PBC | 17 | 7 | 5 | 5 | · | 0.0% |
| 25 | Honeywell International Inc. | 16 | 2 | 9 | 5 | · | -44.4% |