# Trade Mark Journal No.2026/026 26 June 2026

## UK00004402848 16 June 2026 (37,41,42)

CSDV

Class 37
  The installation, commissioning, and certification of ventilation systems in new and existing dwellings; What “adequate ventilation” means; Measuring “Background Ventilators”; Different types of ventilation fans and equipment and how to identify them; Airflow measuring tools, how to use them and estimating airflow when measurement is not possible; History of ventilation systems and It’s evolution; Temperature, atmospheric moisture, absolute humidity, specific humidity, relative humidity, mixing ratio, dew point and vapour pressure and tools used to measure them; Rising, penetrating and condensation dampness and how to distinguish between them; Other indoor air pollutants (in addition to excess moisture) e.g. Radon Gas, VOC’s and CO2 and tools used to measure them.
Class 41
  Training; Organisation of training; Providing of training.
Class 42
  Designing and Specifying what additional measures would be required to bring what is already installed and working well up to a level that could be considered capable of providing “Adequate Ventilation” by means of the 4 main methods; How to design regulatory compliant ventilation systems for a New Build Dwellings.

The Property Care Association