Patent US4690018A successfully refreshed from Google Patents.
Patent EP1503151A1 successfully refreshed from Google Patents.
← Back to Patent Explorer
EP1503151A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Air treatment and heating system

Assignee: ITHO BV
•
Filing: 2003-07-29
•
Granted: —
•
Expires: 2023-07-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The air-conditioning and heating installation has a feed-in channel (16) with an inlet (10) preferably to a permanent room in a building and comprises a ventilation unit (11), a connecting piece (12) and a heating unit (15). The ventilation unit contains a control unit and is positioned between the inlet and feed-in channel. The connecting piece is in the feed-in channel. The connecting piece further has a first check valve (120) between the branches for the supply apertures (13) and the feed-in aperture (14). The heating unit has, in series with each other, a further check valve (150), a fan (152) and a combustion unit (154).

Inventors

  • 👤 Leonardus Hendrikus Josef Van Bohemen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-09 19:28
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2007; F24H9/2035; F24H9/2042; F24D; F24D19/00; F24D19/10; F24D19/1006; F24F; F24F11/00; F24F11/30; F24F7/00; F24F7/04; F24F7/06; F24H15/00; F24H15/20; F24H15/30; F24H15/355; F24H15/36

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

EP0521545A2 Cited
US5462082A Cited
NL9500223A Cited
US5713240A Cited
EP0927855A1 Cited
US6401708B1 Cited
DE10034485A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag