Grouphead Coffee Builds Upon Sivetz Tech for ‘Stacked Espresso’

grouphead coffee corvallis or

Grouphead Coffee logo. All images pleasantness of Grouphead Coffee.

A comparatively new coffee association formed in Corvallis, Ore., called Grouphead Coffee is during adding to a home city’s surprisingly abounding and successful coffee story by staking new territory in brewing record with a product called “stacked espresso” concentrate.

The association was founded by Dan Bruner, a former acupuncturist and practical kinesiologist who eventually motionless to spin his passion for coffee into a career. With an gifted spit crony in Walla Walla, Wash., from whom he competence source, Bruner in 2014 began acid Corvallis for what competence have been a suitable space for a quality-forward, artistic coffee shop, nonetheless those skeleton were scrapped when Bespoken Coffee sister association Tried True non-stop a initial location, downtown.

grouphead coffee corvallis or

The Grouphead Coffee Sivetz roaster.

Later, while seeking tools for a 1956 International Harvester Metro Van, he had a felicitous confront during a Corvallis appurtenance emporium owned by a male who usually happened to build Sivetz liquid bed roasters for most of his career.

“As we was articulate to him we beheld he had a outrageous coffee millstone on his behind table, and we had to ask,” Bruner told Daily Coffee News. “He pronounced he fundamentally built each Sivetz spit that had ever been sold. He was timid and wanted to sell all his equipment. He finished adult retiring, shutting it up, and during that time we was researching concentrates and cold brews.”

grouphead coffee corvallis or

Kegerator and a SCA season circle during a Grouphead headquarters

Bruner wound adult shopping an idle Sivetz machine, flourishing preoccupied with a record and researching archaic, lapsed patents formerly hold by Sivetz. Through this investigate and his possess self-cultivated engineering acumen, Bruner eventually built what is now a categorical brewing device for Grouphead’s packaged, bottled coffee combine products.

grouphead coffee corvallis or

Grouphead Coffee Stacked Espresso

The word “espresso” in a company’s marquee product name refers to a aloft temperatures and pressures practical to coffee in their prolongation method, that are not  typically found in other cold brewing or concentrate-making applications. Bruner is wavering to share a accurate details, though a routine involves built immaculate steel tubes — hence a “stacked” partial of a name — with H2O using by during a consistent upsurge rate.

grouphead coffee corvallis or

PID controller on a Grouphead brewer.

With Grouphead’s stream decoction process, a multiple of H2O pressure, grind, heat and ratio of tube length to hole outcome in a combine ratio of 1:6. Bruner contends that by even descent a routine retains mouthfeel, aromatics and flavors more comparable to those of hot decoction than to other cold coffee products.

He pronounced a bottled combine — now accessible in unchanging or decaf, in 2-, 8- or 16-ounce bottles — can yield a bottom for any series of cold coffee drinks or cocktails as good as for prohibited coffee drinks.

grouphead coffee corvallis or

Grouphead’s Mahlkonig VTA 6 grinder.

“I’m substantially like a lot of people who are kind of geeked out about coffee, and we have each appliance to make coffee,” Bruner said. “But this still has a savoury volatiles, and it’s really convenient.”

Bruner recently changed Grouphead into an stretched prolongation trickery in a mostly industrial formidable nearby a Corvallis Municipal Airport, and said he’s now in talks with a distributor to find a wider strech for a refrigerator-stable product. He’s also charity cold coffee subsequent from a combine in 3-liter nitrogen-flushed bags and in nitro and non-nitro kegs for indiscriminate clients.

The coffees themselves are Fair Trade and Organic certified, entrance from a tiny series of importers, including InterAmerican Coffee and Royal Coffee. For a core blend, Bruner pronounced he’s seeking a multiple of coffees that tend to be roasted usually on a darker side of middle that yield eccentric and chocolatey notes, while he’s also experimenting with adding a hold of Ethiopian naturals for larger complexity.

grouphead coffee corvallis or

The Grouphead roastery coffee stand, including dual selected concentrate-mixing dispensers.

Visitors to Grouphead’s prolongation trickery are treated to samples, including some from automatic dispensers creatively done for Sivetz combine some-more than 20 years ago, Bruner said, adding that he hopes a new prolongation domicile will symbol usually a commencement of Grouphead’s growth.

Eyeing California as a subsequent proviso for placement on a West coast, Bruner said, “I’d really like to see it go national. That’s because we’re operative on a subsequent steps.”


Nick Brown is a editor of Daily Coffee News by Roast Magazine. Feedback and story ideas are acquire during publisher@dailycoffeenews.com.


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