Go to HJS UK
Innovation is one of our strengths and this has been the case for more than 40 years:
Innovation & Milestones
- 1976: As the first company to supply finished fabricated installation sets for cars in workshops.
- 1985: We are forerunners in Germany in producing 3-way catalytic converters for retrofitting on spark ignition engines.
- 1996: Likewise, we have also manufactured the first retro-fittable controlled catalyzer (HJS-Kat-2000) and launched it on the market.
- Since 2000: We develop nano-scale coatings for diesel exhaust gas treatment, a decisive basis for the present flexibility in the structuring of sintered metal filters.
- 2001: As main shareholders of the SCRT® patent with the companies Daimler and Johnson Matthey, we are one of the founders of the leading exhaust gas treatment technology today in vehicles of Generation Euro6/VI
- 2002: With the introduction of the HJS sintered metal filter and the launching of the HJS City-Filter®, as well as a technology with unique product properties, the market-leading retrofit filter for cars and light commercial vehicles was established.
- 2003: With the HJS-SMF®-AR, we offer a unique regeneration process for exhaust gas temperature-independent filter regeneration.
- 2003: German Environmental prize for the development of the diesel particle filter on sintered metal base – the sintered metal filter (SMF®)
- 2006: Country of Ideas prize for the development of the efficient diesel particle filter DPF®
- 2006: Start SCR/SCRT ® Retrofit – City Bus Euro III / IV to EEV
- 2008: Introduction of HJS SMF®-AR – diesel particle filter with autonomous regeneration
- 2011: Foundation of HJS India Pvt. Ltd
- 2012: HJS Emission Technology was distinguished in 2012 with the “MAN Truck & Bus Supplier Award”.
- 2015: Start SCRT® retrofit Euro V to Euro VI
- 2016: 40 years company anniversary and 25 years diesel exhaust gas technology (SCRT®)
- 2017: TFL Tender Award – retrofit bus Euro V to Euro VI
- 2018: Introduction SCRT® with active thermo-management
- 2019 SCR with active thermo-management
- 2020 High power e-HEATER
- 2021 Ultra compact pre box
- 2022 SMF®-industrial filtration