About us

...MARTIGNANI-ITALY since 1958...
...KWH-HOLLAND since 1946...
KWH International since 1999

Key moments in the story of success

1946 - The first sprayers were manufactured in Wadenoijen-Holland and marketed under the brand of B.M.B.

1947 - The world's first Low Volume Pneumatic Mist Blowers are manufactured in Wadenoijen-Holland under the Kiekens Dekker System trademark and are patented in 23 different nations.

1955 - B.M.B. sprayers and Kiekens Dekker System Pneumatic Mist Blowers were marketed under the brand of a newly established company Kiekens Whirlwind Holland NV (KWH).

1958 - MARTIGNANI starts promoting and selling KWH Mist Blowers at regional level.

1968 - KWH produces in Holland the world's first rotating disk mist blower. This is the BORA Model (international patent) powered by a "Wankel" rotating piston engine.

1969 - KWH changes it's official name to KWH Whirlwind Holland BV while the KWH, Whirlwind and Windmill trademarks were used from then on to market KWH-products in various parts of the world.

1972 - MARTIGNANI starts building KWH-System Mist Blowers under license from KWH-Holland.

1975 - The KWH B-120 ALBATROS Model wins the gold medal in the U.M.A. Technical Innovation Competition at the Verona Agricultural Show (Italy) - the first horizontal pneumatic bar mist blower offered on the international market.

1976 - The world's first mist blower with anti-drift horizontal or tangential flows is produced by KWH-Holland.

1978 - The B-612 3/P semi-3/P mounted pneumatic mist blower wins the first prize in the E.N.P.I. Competition (Italy) for guaranteed productivity and safety on sloping terrain.

1981 - The first Pneumatic-Electrostatic Mist Blower produced in Europe is presented by MARTIGNANI in Italy.

1985 - The B-612 PHANTOM Pneumatic Mist Blower wins the silver medal at the AGRITAB Show (Perugia-Italy).

1986 - The Electrostatic charge Pneumatic Mist Blower wins the silver medal at the Technological Innovation Competition at the SIMA Trade Fair (Paris-France).

1988 - Model B-612 ELECTROSTATIC-TURBO 3 is acknowledged as a Technological Innovation in the UNACOMA Competition at the EIMA (Bologna-Italy) Trade Fair.

1991 - The H.T.S. (Hit Target System) TURBO 2 Electrostatic-Pneumatic Mist Blower wins the gold medal in the Technological Innovation Competition at the Verona Agricultural Show (Italy).

1992 - The Electrostatic charge Pneumatic Mist Blower wins the Innovative Technology Silver Corn Ear award at the AGRIBEX 92 Show in Brussels (Belgium).

1994 - The MULTI-FLOW modular pneumatic bar Pneumatic Mist Blower wins the gold medal in the Technological Innovation Competition at the Verona Agricultural Show (Italy).

1999 - On the threshold of a new Millennium, MARTIGNANI srl and KWH Whirlwind BV pool their forces again and create KWH International srl to promote and sell KWH-system Mist Blowers world wide.

2004 - Silver medal winner in the “Quality” contest at the Fieragricola trade fair of Verona (Italy) for the KWH Turbo 3 Junior Pneumatic-Electrostatic Mist Blower.

2004 - Gold medal at the EIMA-Bologna (Italy) Technical Novelties competition for the Electrostatic Charge Pneumatic Dusting Machine.

...nowadays, KWH-System Mist Blowers are widely appreciated in more than 40 nations around the world for their extraordinary efficiency.