| 1981 | Establishment of Klinkau & Co. GmbH in Marktoberdorf, Germany. | 
| 1982 | Development of the range of Klico standard membrane filter plates in a welded design and with significant technological advantages. | 
| 1984 | Production of the first single-piece press molded polypropylene chamber filter plate in a 2000mm x 2000mm format. | 
| 1985 | Establishment of Klinkau America Inc. in the USA. | 
| 1986 | Expansion of the Storage Unit North/East | 
| 1988 | Development of the Klico overhanging membrane plate range with replaceable membranes and empty chamber design. | 
| 1990 | Development of the Klico welded membrane plate empty chamber. | 
| 1993 | Expansion of Production Unit "Molding North" | 
| 1993 | Manufacture of the first single-piece press molded membrane plate with replaceable empty chamber membranes in a 2000mm x 2000mm format. | 
| 1994 | Development of a special polypropylene compound for KLICO membrane filter plates to give maximum chemical resistance. | 
| 1996 | Establishment of Klinkau Asia SDN BHD in Malaysia. | 
| 1996 | Expansion of the Shipping Department | 
| 1997 | Development of an antistatic polypropylene compound for membrane filter plates in explosive hazardous areas and for edible oil filtration. | 
| 1998 | Manufacture of the first membrane filter plate made of antistatic polypropylene material for use in edible oil filtration. | 
| 1999 | New Building: "Storage Unit South" | 
| 2000 | Development and production of the range of clip empty chamber membrane filter plates with corner and centralised feeds. | 
| 2001 | Expansion of the Shipping Department Part II | 
| 2001 | Development and production of the world's largest membrane made from polypropylene in a 2000mm x 2400mm format. | 
| 2002 | Acquisition of EnviroTech Molded Products Inc. USA and Italy and subsequent exapnsion into a new business segment. | 
| 2005 | Further development of the antistatic polypropylene compounds and first deployment of a membrane filter plate in Atex zone II 1 G/D. | 
| 2008 | Development and manufacture of the replaceable membrane filter plate range empty-chamber multi. | 
| 2011 | New Building: "Production West" | 
| 2012 | Development and manufacture of membrane filter plates for specific mining industry requirements in sizes up to 2600 mm x 2590 mm. | 
| 2018 | New Building: "Production West II" + "Storage Unit West" | 
| 2020 | Development and manufacture of customer specific filter elements in sizes 4120x4850mm an 3500x2590mm | 
| 2021 | 40 years of Filtration Excellence |