Trademarks
| AAF |
| AC DELCO |
| AKO |
| AMC |
| AMEROID |
| ARGO |
| ARLON |
| BALDWIN |
| BEDIA |
| BOLL & KIRCH |
| BOSCH |
| CATERPILLAR |
| CJC |
| CROSLAND |
| CUNO |
| DAHL |
| DIAMOND |
| DOMNICK |
| DONALDSON |
| EPPENSTEINER |
| EUROPAFILTER |
| FACET |
| FAIREY ARLON |
| FARR |
| FBO |
| FINN-FILTER |
| FLEETGUARD FRAM |
| FRANCIS |
| FREUDENBERG |
| HANKISON |
| HENGST |
| HILCO |
| HUNTER |
| HYDAC |
| INTERNORMEN |
| KANAGAWA KIKI KOGYO |
| KNECHT |
| LUBERFINER |
| MAHLE |
| MANN + HUMMEL |
| MP FILTRI |
| NELSON |
| NORGREN |
| PALL |
| PARKER |
| PECO |
| PETER & BEY |
| PURFLUX RACOR |
| REGELTECHNIK |
| RELLUMIT |
| RELUMIX |
| SAMMODE |
| SAREX |
| SAVARA |
| SCHROEDER |
| SCHUMACHER |
| SOFRANCE |
| STAUF |
| THORLUX |
| TOTAL |
| TROX |
| TURBULO |
| UCC |
| ULTRAFILTER |
| VILEDON |
| VOKES |
| WARMA |
| WINSLOW |
| WIX |
| ZANDER |
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