Company History

1950
Founding of Boll & Kirch Maschinenfabrik in Cologne - Ehrenfeld by Walter Boll and Josef Kirch.
1953
First exhibition. Booth in Munich at the „Handwerksmesse“.
1968
Start of production for the new, patented, automatic filter with backflushing support by compressed air.
1974
Initial startup of the first construction stage of the new site in Kerpen-Sindorf.
1976
Execution of the first international agency agreement with Japanese Misuzu Machineries & Engineering Ltd.
1978
Serial production of filter candles – mass production of filter candles using coiled, prestressed support structures.
1979
Complete relocation of Boll & Kirch to the industrial area of Kerpen-Sindorf, increasing the production area to 22.000m².
1980
First serial production of automatic filters.
1986
Purchase of the first numerically controlled machine tool, a boring and milling machine moving along four axes.
1993
Patent application for the first turbine driven automatic filter with continuous backflushing adapted for engines.
1995
Founding of the Marga and Walter Boll Foundation.
2017
Opening of the first international production site, Bollfilter China Manufacturing Ltd.
2017
Market launch of the automatic filter aquaBoll® with patented filter element and backflushing technology.
2020
Completion of plant 2 in Kerpen-Sindorf, intended for the departments of R&E + technical center, as well as spare parts logistics.