2016
- Am 01. September ist es soweit. Aus zwei wird eins. Die Geotec Bohrtechnik GmbH fusioniert mit der im gleichen Hause ansässigen Maschinenbau Zumholz GmbH. Der gemeinsame Firmenname:
- Geotec Bohrtechnik GmbH.
2015
- Mit der Rotomax TY U 500 wird die erste radgeführte Bohranlage ausgeliefert.
2014
- Rotomax XL B, die professionelle Brunnenbauanlage, ausgestattet mit Rammkerneinrichtung, 10 t Winde und ergonomisch neu gestalteten Bedienstand geht ans Werk.
- Geotec Bohrtechnik ist zertifiziert nach DIN EN ISO 9001:2008 – Qualität ist unser Ziel.
2013
Bauma 2013 – Messeneuheiten:
- Die Rotomax GTKi, ausgestattet mit einem 10 t Kran – Reichweite 9,50 m.
- Rotomax Control, Motorüberwachung und Bohrdatenerfassung.
- Die XL “i” Serie ist bis zu 205 kW lieferbar


2012
- Weltneuheit: Verrohrungsdrehtisch mit neuer, EU – patentrechtlich geschützter Spanntechnologie.
- Umwelttechnik – Geotec erfüllt für alle Gerätetypen die aktuellen motorspezifischen Abgasnormen.
2011
- Genial für den Materialtransport zur Bohrstelle – Carrymax aus dem Hause Geotec, neu und funkferngesteuert. Mit dem 33 kW Dieselaggregat transportiert er alles, bis zu 2,4 t Zuladung, dorthin, wo es benötigt wird.
2010
- As a perfect solution to recover jammed casings, GEOTEC develops and produces a casing recovery device named BERGEMAX 95 and BERGEMAX 190. They produce a pull up force of 95 t and 190 t, respectively.
- A big news at the Bauma exhibition is the presentation of the ROTOMAX XL GTC i with 168 kW. With its classy design, its convenient handling and its all-around flexibility, the GTC i means efficiency.
- An ideal solution for the transportation of auxiliary equipment to the drilling point: our new, remote-controllable CARRYMAX prototype by GEOTEC. With its 26 kW diesel engine, it can carry up to 3 t of additional weight to wherever it is needed.
2009
- The performance of the XL series is further optimized. The ROTOMAX L, unique as far as the relationship between functionality and performance is concerned, is ready for production.
2008
- GEOTEC Bohrtechnik opens a brand- new, 3,300 m² production hall in Nordkirchen. At the grand opening, the company unveils a new design for the brand name and logo.
2007
- EasyLift, the GEOTEC rod handling system is ready for production and is presented at the 2007 Bauma exhibition.
- Our ROTOMAX XL GTC, unchallenged with its combination of compactness, power and total weight, is a new milestone within our ROTOMAX series.
2006
- The ROTOMAX XL GT with double head unit and a total weight of only 7.5 t is ready for serial production.
2004
- Our modular constructed drill rigs are a very popular asset to the Bauma exhibition. They are technically upgraded to fulfill the needs of the geothermal sector.
2002
- Our construction department starts employing 3D construction software to further enhance the quality standard of our ROTOMAX products.


2001
- The newest development at the Bauma exhibition is the ROTOMAX XL by GEOTEC. In the ensuing years, it is fully developed into a robust serial machine, completely complying with the GEOTEC philosophy as far as compactness, performance and handling are concerned.
1998
- Our extremely compact high-quality drill rig with a hydraulic casing rotary table is presented at the Bauma exhibition and is renamed as ROTOMAX M. It can be used in various fields of application.
1997
- The advanced development of the ROTOMAX drill rig is supported by CAD technology and equipped with modern, advanced technology. The first multifunctional, remote-controllable and fully hydraulically powered drill rig with load sensing hydraulic is developed.
1996
- Foundation of the GEOTEC Bohrtechnik GmbH. The GEOTEC logo and the product name ROTOMAX are registered trademarks.
1995
- The compact drill rig, controllable via remote control, is on display as a preproduction model at the Hanover exhibition.
1993
- The idea of developing a drill rig as our own product surfaces.