Milestones
 | 2024 Three Strong Brands Form the Global Busch Group |
 | 2023 Groundbreaking ceremony for the Pfeiffer “Future Factory Asslar” |
 | 2022 Pfeiffer Vacuum Opens New Leak Detection and Vacuum Technology Facility in Indianapolis, Indiana |
 | 2021 Pfeiffer Opens New Silicon Valley Innovation Center Pfeiffer introduces the new OmniControl® universal control unit for pumps and measurement instruments Pfeiffer is a signatory of the UN Global Compact |
 | 2020 Pfeiffer now 130 years old Pfeiffer introduces extremely quiet, dry pumps The ASM 306 S helium and hydrogen sniffer leak detector for easy and accurate full-time sniffing operations Pfeiffer introduces OmniStar® and ThermoStar® next generation gas analyzers |
 | 2019 Pfeiffer introduces new roots pumps of the HiLobe® series Pfeiffer introduces new HiPace 700 H turbopumps |
 | 2018 Pfeiffer introduces two-stage rotary vane pump Pascal 2021 HW Pfeiffer opens new high-tech production site in Romania Pfeiffer introduces mobile leak detectors ASM 390 and ASM 392 |
 | 2017 Acquisition of ATC, Inc., Indianapolis, USA Acquisition of Dreebit GmbH, Dresden, Germany Acquisition of Nor-Cal Products Inc., Yreka, USA |
 | 2016 In 2016, Pfeiffer is celebrating 50 years of its leak detectors. Pfeiffer introduces the new, compact and high performance HiPace 300 H turbopump Introduction of the new magnetically coupled rotary vane pump Duo 11 ATEX |
 | 2015 Pfeiffer now 125 years old Pfeiffer introduces AMI 120 – system for in-line integrity tests of pharmaceutical blister packs Pfeiffer introduces HiPace 30 – the smallest high-performance turbopump on the market Pfeiffer introduces Duo 3 DC-type rotary vane pump with 24 volt DC Pfeiffer introduces single-stage rotary vane vacuum pumps Uno 3 and Uno 6 Pfeiffer introduces compact and powerful Okta 300, 600 and 800 Roots vacuum pumps Pfeiffer expands its total pressure measurement device program Pfeiffer introduces modular leak detector ASI 35 |
 | 2014 Pfeiffer introduces OktaLine ATEX - world's first magnetically coupled and ATEX certified Roots pumps Pfeiffer introduces new A4 series - dry, multi-stage Roots pumps |
 | 2013 Pfeiffer introduces ASM 340 - Best in class leak detector Pfeiffer introduces a unique in-process contamination management system for particle contamination monitoring in the semiconductor industry |
 | 2012 Pfeiffer introduces MiniTest - a portable helium leak detector for industrial applications |
 | 2010 Pfeiffer acquires Trinos Vakuum-Systeme GmbH Pfeiffer now 120 years old HiPace M – Compact, magnetically levitated turbopumps Pfeiffer acquires Alcatel-Lucent's Vacuum Technology Unit "adixen" |
 | 2009 Pfeiffer brings the HiCube – modular pumping station for clean vacuum Pfeiffer brings the OmniStar und ThermoStar – the new gas analysis systems |
 | 2008 Pfeiffer brings the HiPace 10 - 2,000 l/s class – the new Dimension in Vacuum Technology |
 | 2007 PentaLine – new generation of rotary vane pumps Biggest order in company history in double digit million Euro range for systems to manufacture thin-layer solar cells Delisting von der New York Stock Exchange (NYSE) |
| 2006 10th anniversary IPO at New York Stock Exchange (NYSE) |
 | 2005 Pfeiffer brings the OnTool Booster to market – a new high-vacuum pump that works against atmosphere |
 | 2004 Pfeiffer brings the XtraDry to market – a new two-stage reciprocating vacuum pump |
 | 2003 HiMag – the first maglev turbopump with integrated drive system |
| 2002 Pfeiffer brings a magnetically coupled line of rotary vane pumps to market |
 | 2000 DigiLine – the first fully digital line of vacuum gauges |
| 1998 Pfeiffer receives its second listing, on the Frankfurt Stock Exchange's "Neuer Markt" (today the TecDAX) |
| 1996 Pfeiffer Technology AG is the first medium-sized German corporation to be listed on the New York Stock Exchange |
 | 1985 Invention of the SplitFlow turbopump |
 | 1973 Introduction single-stage rotary vane pump Uno 1.5 A |
 | 1966 Market introduction of the first helium leak detector ASM 4 |
 | 1958 Pfeiffer invents and brings to market the turbomolecular pump, which comes to be known as a generic class of pumps – the "turbopump" |
 | 1929 First exhibition of products made by Arthur Pfeiffer in Leningrad |
| 1926 Pfeiffer numbers among the leaders in vacuum technology |
 | 1910 Arthur Pfeiffer develops the rotating oleo-pneumatic pump |
 | 1908 Pfeiffer invents and brings to market the "oleo-pneumatic pump" |
 | 1890 Arthur Pfeiffer founds the company in Wetzlar, Germany |
