Assignee
HOWDEN ALPHAIR VENTILATING SYSTEMS INC
CA·3 granted patents·1 pending application·2 citations·filing 2016–2020
Top patents by PatentIndex Score
4 records- 0158US11408988B2System and method for acoustic vehicle location trackingHOWDEN ALPHAIR VENTILATING SYSTEMS INC·Filed 2018·Granted Aug 9, 2022·2 cites·20 claims
- 0251US10539018B2Optimized mine ventilation systemHOWDEN ALPHAIR VENTILATING SYSTEMS INC·Filed 2016·Granted Jan 21, 2020·0 cites·17 claims
- 0350US11466568B2Optimized mine ventilation systemHOWDEN ALPHAIR VENTILATING SYSTEMS INC·Filed 2019·Granted Oct 11, 2022·0 cites·19 claims
- 0437US2021381688A1Low emission direct fired process air heatingHOWDEN ALPHAIR VENTILATING SYSTEMS INC·Filed 2020·Application pending·0 cites
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