Dekker vacuum pumps: independent brand profile
Dekker, from Michigan City, Indiana, builds liquid ring, rotary vane and dry claw pumps for woodworking, food, medical and power plants. Many buyers do not know it has belonged to Atlas Copco since 2020; our own directory listed it as independent until this research. Here is what is verifiable, what AI assistants say, and where Dekker is searched.
Independent profile by Vacuum Engineering Tools. We are not affiliated with Dekker, receive no payment and do not sell pumps. Quotes are the opinions of individual users, not statements of fact by us. Brand names belong to their respective owners.
In short
Dekker Vacuum Technologies (Michigan City, Indiana, USA) has been part of Atlas Copco’s Vacuum Technique business area since 2020. At the time of the takeover it had about 70 employees, revenues of about USD 23 million and a 22-year history, which puts its founding around 1998. Its range covers Titan liquid ring pumps, Vmax oil-sealed and AquaSeal water-sealed liquid ring systems, DuraVane rotary vane pumps and the new Gryphon dry claw pumps. There is no public owner discussion of Dekker on Reddit or the forums we checked.
Verified facts
- Parent company
- Atlas Copco (acquisition announced 28 Feb 2020) [Source]
- Headquarters
- Michigan City, Indiana, USA [Source]
- Size at takeover
- ~70 employees, ~USD 23 m revenue (2019) [Source]
- History
- 22-year history in 2020 (founded around 1998) [Source]
- Sister brands
- Atlas Copco vacuum, Edwards, Leybold [Source]
What users say
A search of Google’s index of reddit.com for Dekker vacuum pumps returned only dealer and surplus listings. There is no Reddit discussion of the brand.
Reddit blocks automated access, so thread titles, links and previews come from Google’s index of reddit.com (October 2026). Previews are excerpts, not the full comment.
From specialist forums
Dekker equipment appears in dealer stock, rental fleets and surplus listings rather than discussions, which is typical for packaged industrial vacuum systems.
No quotable forum posts found.
AI fact-check: what ChatGPT, Gemini, Perplexity and Claude say
On 9 October 2026 we asked all four assistants the same question (who owns Dekker, headquarters, founding, best-known series and what buyers say) and checked every answer against the manufacturer’s own pages.
| Question | ChatGPT (gpt-5.5) | Gemini (3.5 Flash) | Perplexity (Sonar) | Claude (Sonnet 5.5) | Verified |
|---|---|---|---|---|---|
| Who owns it? | ✓ Atlas Copco | ~ Atlas Copco, “acquired in 2024” | ✓ Atlas Copco, 2020 | ~ Declined to answer | Atlas Copco, since 2020 [Source] |
| Headquarters | ✓ Michigan City, Indiana | ✓ Michigan City, Indiana | ✓ Michigan City, Indiana | ~ Declined to answer | Michigan City, Indiana [Source] |
| Founded | ? 1998, “John Dekker” | ? 1998, “Jan Dekker” | ? 1998, Rick and Jan Dekker | ~ Declined to answer | Around 1998 (22-year history in 2020); founder not named officially [Source] |
| Series named | ✓ Vmax, AquaSeal, Duravane | ✓ Vmax, Titan, Maxima | ✓ TiTAN, DuraVane, Gryphon | ~ Declined to answer | Titan, Vmax, AquaSeal, DuraVane, Gryphon, Maxima and more [Source] |
✓ correct · ~ partly right or outdated · ✗ wrong · ? cannot be checked against an official source. Answers condensed. Only Perplexity used web search; the other models answered from training data.
Ownership is where this check matters. Three assistants correctly named Atlas Copco, while our own directory still listed Dekker as independent before this research; we have since corrected it. Gemini dated the takeover to 2024, but Atlas Copco announced it on 28 February 2020. The founder names offered (John, Jan, or Rick and Jan Dekker) appear on no official page we could find. Claude declined to answer at all.
Search interest compared
Google Trends data compared with other industrial rotary vane and claw brands, web search, October 2021 to October 2026. Dekker’s searches are concentrated in North America: 12 % of this group’s searches in the US and 8 % in Canada, and almost nothing elsewhere.
Average search interest 2021–2026 (index)
Where people search for Dekker
How to read this: of every 100 Google searches for these five brand names in United States, 12 were for Dekker; the most searched brand there, Gast, had 40. It shows relative interest, not sales or market share.
| Country | Dekker share | Rank | Most searched |
|---|---|---|---|
| United States | 12 % | 3rd of 5 | Gast (40 %) |
| Canada | 8 % | 4th of 5 | Becker (43 %) |
Pulled on 9 October 2026 via DataForSEO. Terms compared: “becker vacuum pump”, “rietschle vacuum pump”, “gast vacuum pump”, “pneumofore”, “dekker vacuum pump”. Relative values, not absolute search volumes; non-English searches are not included.
Technology fingerprint
Computed from our directory of 25 manufacturers: which technologies Dekker offers and how common each is in the market.
| Technology | Makers in our directory | |
|---|---|---|
| Claw | 6 of 25 | |
| Liquid ring | 9 of 25 | |
| Rotary vane | 15 of 25 |
Not in the range: Screw, Scroll, Roots, Turbomolecular, Diaphragm
Closest alternatives
Manufacturers with the largest overlap in pump technologies.
- Atlas Copco Sister brand
- Busch Vacuum Solutions
- Elmo Rietschle
- Becker
- Flowserve SIHI
Product series at a glance
| Series | Technology | What it is for |
|---|---|---|
| Titan | Liquid ring | Liquid ring pump at the heart of Dekker’s systems. |
| Vmax | Liquid ring | Oil-sealed liquid ring systems with DX-5/DX-7 air-oil separation. |
| AquaSeal | Liquid ring | Water-sealed liquid ring systems for corrosive gases and vapours. |
| DuraVane | Rotary vane | Oil-sealed and oil-free rotary vane pumps. |
| Gryphon | Claw | Dry claw pumps, the newest addition to the range. |
Typical fit
- Woodworking (CNC hold-down)
- Meat, poultry and cheese processing
- Medical vacuum
- Plastics and power generation
Useful calculators
Official owner resources
Frequently asked questions
Who owns Dekker Vacuum Technologies?
Atlas Copco. It announced the acquisition on 28 February 2020, and Dekker became part of the Industrial Vacuum Division of Atlas Copco’s Vacuum Technique business area, alongside Edwards and Leybold.
Where is Dekker based?
Michigan City, Indiana, USA, where Dekker designs and builds its pumps and systems.
What pumps does Dekker make?
Liquid ring pumps (Titan) and systems (Vmax oil-sealed, AquaSeal water-sealed), DuraVane oil-sealed and oil-free rotary vane pumps, and Gryphon dry claw pumps.
Other brand profiles
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