Inventor · disambiguated record
Martijn Haddeman
Also filed as: HADDEMAN MARTIJN
8 granted patents·1 pending application·31 citations·filing 2015–2021
82Inventor score
Files withZEHNDER GROUP INT AG9
Top patents by PatentIndex Score
9 records- 0186US10852028B2Heat exchanger block and heat recovery ventilation unit comprising itZEHNDER GROUP INT AG·Filed 2016·Granted Dec 1, 2020·7 cites·18 claims
- 0265USD986400SAir filter for ventilation equipmentZEHNDER GROUP INT AG·Filed 2021·Granted May 16, 2023·4 cites·1 claims
- 0358USD827797SAir conditioning apparatusZEHNDER GROUP INT AG·Filed 2016·Granted Sep 4, 2018·9 cites·1 claims
- 0452USD800283SHousings for air conditioning apparatusZEHNDER GROUP INT AG·Filed 2015·Granted Oct 17, 2017·6 cites·1 claims
- 0549USD877307SHousings for air conditioning apparatusZEHNDER GROUP INT AG·Filed 2016·Granted Mar 3, 2020·5 cites·1 claims
- 0649US2023258367A1Air filter assembly for heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2021·Application pending·0 cites
- 0741US12510264B2Heat recovery unitZEHNDER GROUP INT AG·Filed 2021·Granted Dec 30, 2025·0 cites·17 claims
- 0830US12072120B2Air diffuser device for ventilating roomsZEHNDER GROUP INT AG·Filed 2018·Granted Aug 27, 2024·0 cites·18 claims
- 0924USD824503SAir conditioning apparatusZEHNDER GROUP INT AG·Filed 2015·Granted Jul 31, 2018·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Martijn Haddeman files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →