Review filing activity, applicant names and individual applications for lighting, heating, cooling & sanitary equipment in the fixed U.S. research scope.
Select a month to open the applicant ranking. The chart describes this snapshot only.
| Month | Filing records | Month over month |
|---|---|---|
| Sep 2025 | 658 | — |
| Oct 2025 | 545 | -17.2% |
| Nov 2025 | 741 | +36.0% |
| Dec 2025 | 867 | +17.0% |
| Jan 2026 | 788 | -9.1% |
| Feb 2026 | 530 | -32.7% |
| Mar 2026 | 680 | +28.3% |
| Apr 2026 | 850 | +25.0% |
| May 2026 | 679 | -20.1% |
| Jun 2026 | 431 | -36.5% |
| Jul 2026 | 882 | +104.6% |
| Aug 2026 | 759 | -13.9% |
Lighting, Heating, Cooling & Sanitary Equipment has 8,410 class-record rows in this fixed research period, ranking 6 of 7 collected categories.
Jul 2026 is the highest month at 882 rows, while Jun 2026 is the lowest at 431; a monthly difference alone does not establish a long-term trend.
The Top 20 recorded applicant names account for 181 rows (2.15%); this is filing concentration among recorded names, not market share.
United States USPTO filing records, applicant source country China, Lighting, Heating, Cooling & Sanitary Equipment, and the fixed period September 2025 through August 2026.
Applicant names are counted as different exact names appearing in the records. Similar spellings have not been merged into companies, groups or brands.
The overall 75,806 figure counts class-record rows. One application can appear in more than one collected category and therefore can be counted in more than one category.
Data version: September 20, 2026. This is a dated snapshot, not live data. Country is an analytical source-data field and does not establish ultimate control or nationality.