Tradition and continual innovation are considered as the main characteristics of our company group. After 140 years which have been dedicated to the pump construction with its various pump types, we are in a position to provide our customers with a consolditated knowledge when assisting with their problems in line with the market.
A great experience combined with the latest production methods guarantees a pump technology of high quality.

Thanks to business acumen and a great number of longstanding employees of 40-50 the products of Lederle-Hermetic are well-known and used worldwide. We put an area-wide net of consultation and service in 42 states at our customers‘ diposal.

1866	Foundation of the company LEDERLE by Wilhelm Lederle, which operates as mechancial workshops, situated in Endingen at the Kaiserstuhl.
1873	Relocation of the company LEDERLE to the outskirts of Freiburg to the district Stühlinger.
1899	The name of the company LEDERLE Mechanische Werkstätte was converted into LEDERLE Pumpen- und Maschinenfabrik.
1906	After the death of Wilhelm Lederle, continuation of the company by his son Moritz Lederle.
1934	When Moritz Lederle died, his wife Hedwig Lederle carried on managing the company group until 1945.
1945	Hedwig Lederle was succeeded by Hermann Krämer who managed the company group until 1993.
1954	Development of our leakage-free canned motor pumps.
1956	Establishment of a material processing association ”Guss- und Stahlveredelung“.
1959	Spin-off of production, construction and administration of canned motor pumps into ”Guss- und Stahlveredelung“ with a staff of 75 employees.
1965	Purchase of estate in Gundelfingen, to the north of Freiburg.
1967	New company building incl. administrative department designated for the production of canned motor pumps in Gundelfingen.
1968	Change of name ”Guss- und Stahlveredelung“ into HERMETIC-Pumpen GmbH.
1969	The sales department for canned motor pumps was integrated into HERMETIC.
1973	The production ”waterworks and sewage works with electrical switchgears and controlling devices“ was excluded from the subsidiary and introduced into LEDERLE GmbH Wasserversorgung- und Abwasser, situated in Gundelfingen.
1975	Foundation of a 100% distribution company called HERMETIC-Pumpen Ges.m.b.H, situated in Wien with branches in the Czech Republic, Poland, Romania and Bulgaria.
1977	Removal of the subsidiary LEDERLE GmbH Pumpen- und Maschinenfabrik from Freiburg to Gundelfingen.
1979	Development of seal-less pumps with magnetic drive.
1985	New building for a separate repair department of HERMETIC-Pumpen GmbH in Gundelfingen.
1997	Foundation of HERMETIC-Pumpen Hungary, situated in Budapest, which operates as a 100% subsidiary of HERMETIC Wien.
1997	Formation of Dalian HERMETIC Sealless Pumps Co., Ltd. in China as a Joint Venture with HERMETIC-Pumpen GmbH (51%) and Dalian Danai Pump Co., Ltd. (49%).
1998	Start of production at Dalian HERMETIC Sealless Pumps Co., Ltd.
2000	Formation of HERMETIC Inc, in Houston USA, operating as a distribution company of HERMETIC-Pumpen GmbH and LEDERLE GmbH Pumpen- und Maschinenfabrik.
2006	50 years HERMETIC-Pumpen GmbH.
2007	HERMETIC and LEDERLE merge into HERMETIC-Pumpen GmbH.