Inventor · disambiguated record
Christian Wilhelm
Also filed as: WILHELM CHRISTIAN
13 granted patents·6 pending applications·39 citations·filing 2007–2025
87Inventor score
Files withDRAEGER SAFETY AG & CO KGAA9HENF DIRK2PAPAJEWSKI JENS2WILHELM CHRISTIAN2BOSCH GMBH ROBERT1
Top patents by PatentIndex Score
19 records- 0177US10670158B2Directional valve, especially for breathing gases, and method for manufacturing sameDRAEGER SAFETY AG & CO KGAA·Filed 2017·Granted Jun 2, 2020·3 cites·12 claims
- 0272US8768536B2Method for determining the driving resistance of a vehiclePAPAJEWSKI JENS·Filed 2011·Granted Jul 1, 2014·6 cites·7 claims
- 0371US8615361B2Method for obtaining a speed profilePAPAJEWSKI JENS·Filed 2011·Granted Dec 24, 2013·7 cites·16 claims
- 0469US2025382477A1Antibacterial thermoplastic substrateGEHR KUNSTSTOFF EXTRUSIONSGESELLSCHAFT MBH·Filed 2023·Application pending·0 cites
- 0568USD666724SOxygen self rescuerWILHELM CHRISTIAN·Filed 2010·Granted Sep 4, 2012·19 cites·1 claims
- 0659US10519354B2Porous oil binder and method for the production thereofUNIV DRESDEN TECH·Filed 2014·Granted Dec 31, 2019·1 cites·10 claims
- 0759US8251244B2RespiratorHENF DIRK·Filed 2007·Granted Aug 28, 2012·3 cites·14 claims
- 0859US2024393309A1Gas measuring device with automatic configuration detection and configuration processDRAEGER SAFETY AG & CO KGAA·Filed 2024·Application pending·0 cites
- 0956US11199273B2Directional valve, especially for breathing gases, and method for manufacturing sameDRAEGER SAFETY AG & CO KGAA·Filed 2020·Granted Dec 14, 2021·0 cites·20 claims
- 1054US2025369941A1Arrangement with a gas measuring device and a container and method using such an arrangementDRAEGER SAFETY AG & CO KGAA·Filed 2025·Application pending·0 cites
- 1150US11160942B2Breathing bag, system comprising a breathing bag and a dispensing valve unit, closed-circuit respirator as well as process for mounting a system comprising a breathing bag and a dispensing valve unit in a closed-circuit respiratorDRAEGER SAFETY AG & CO KGAA·Filed 2018·Granted Nov 2, 2021·0 cites·20 claims
- 1250US2009069157A1Training deviceWILHELM CHRISTIAN·Filed 2007·Application pending·0 cites
- 1349US11583644B2Spring bridge for a spring bridge breathing bag plate system of a closed-circuit respirator, spring bridge breathing bag plate system as well as closed-circuit respiratorDRAEGER SAFETY AG & CO KGAA·Filed 2018·Granted Feb 21, 2023·0 cites·19 claims
- 1449US9950200B2RespiratorDRAEGER SAFETY AG & CO KGAA·Filed 2017·Granted Apr 24, 2018·0 cites·20 claims
- 1548US11338157B2Breathing bag for a closed-circuit respirator as well as closed-circuit respiratorDRAEGER SAFETY AG & CO KGAA·Filed 2018·Granted May 24, 2022·0 cites·22 claims
- 1645US12257390B2Mask adapter for connecting two breathing tubes of a closed-circuit respirator to a breathing maskDRAEGER SAFETY AG & CO KGAA·Filed 2018·Granted Mar 25, 2025·0 cites·14 claims
- 1745US9707418B2RespiratorHENF DIRK·Filed 2012·Granted Jul 18, 2017·0 cites·1 claims
- 1842US2020298314A1Machine tool and drag frame conveyor for feeding/removing workpiecesEMCO MAGDEBURG GMBH·Filed 2020·Application pending·0 cites
- 1936US2021156924A1Battery unit and method for operating a battery unitBOSCH GMBH ROBERT·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →