Patent No. 3923897A: Production Of Hoplike Beverage Bittering Materials

Today in 1975, US Patent 3923897 A was issued, an invention of Leonard R. Worden, assigned to the Kalamazoo Spice Extract Co., for his “Production of Hoplike Beverage Bittering Materials.” If the Kalamazoo Spice Extract Co. sounds familiar, that’s where Firestone Walker brewmaster Matt Brynildson worked as in intern in college and then as his first job afterwards, as a hop chemist. Here’s the Abstract:

Production of hoplike beverage bittering materials by the peracid oxidation of 3′,5′-dialkyl-2′,4′,6′-trihydroxyacylphenones to 6-acyl-2,4-dialkyl-2-hydroxycyclohexane-1,3,5-triones (tetrahydrohumulones or tetrahydro-alpha acids) and isomerization thereof to 2,4-diacyl-5-alkyl-4-hydroxycyclopentane-1,3-diones (tetrahydroisohumulones or tetrahydroiso-alpha acids).


Patent No. 572257A: Hermetically Closing Jug

Today in 1896, US Patent 572257 A was issued, an invention of Albert Heinemann, for his “Hermetically Closing Jug.” There’s no Abstract, although in the description it includes these claims:

This invention relates to a jug, pitcher, or like receptacle having a slightly conical neck and a correspondingly-shaped lid, such lid being tightly closed by means of a suitable locking device, which can be readily opened or closed by a suitably-shaped lever. A packing-ring of india-rubber or other suitable material is placed on the lid in such manner that it is tightly pressed against the conical neck of the receptacle when the lid is closed. This receptacle is particularly adapted for gaseous liquids, such as beer, as also for preserves, seeing that the packing-ring prevents any gases escaping, and also prevents atmospheric air gaining access tothe contents of the receptacle.


Patent No. D48217S: Design For A Drinking Glass

Today in 1915, US Patent D48217 S was issued, an invention of Frederick E. Anderson, for his “Design for a Drinking Glass.” There’s no Abstract, although in the description it includes these claims:

I have invented a certain new, original, and ornamental Design for a Drinking-Glass, of which the following is a specification, reference being had to the drawings forming a part thereof, wherein the side wall of the drinking glass is substantially straight from its lower end upwardly to a point near its top edge, at which point a pronounced outward curvature is developed in the form of a concavo convex bulge. This rounded or bulged formation is comparatively shallow vertically and terminates in the top edge, which edge is substantially in the plane of the straight side wall portion. It is thus characteristic of the design that the side of the glass presents a substantially straight line from its bottom to its top edge, save the outward bulge-which is adjacent to the top.


Patent No. WO2007113292A3: Mashing Process

Today in 2007, US Patent WO 2007113292 A3 was issued, an invention of Niels Elvig, for his “Mashing Process.” Here’s the Abstract:

The present invention provides processes for production of wort and beer from a granular starch adjunct grist mashed-in at a temperature below the gelatinization temperature of said starch.


Patent No. 637826A: Combined Corkscrew And Valve For Beer Pumps

Today in 1899, US Patent 637826 A was issued, an invention of Frank Preston, for his “Combined Corkscrew and Valve for Beer Pumps.” There’s no Abstract, although in the description it includes these claims:

The invention relates to a combined corkscrew and valve for beer-pumps.

The object of the present invention is to improve the construction of beer-pumps and to provide a simple, inexpensive, and efficient device designed more especially for use at picnics and for private use and adapted to serve as a corkscrew and capable of enabling the proper pressure to be maintained on a keg or other receptacle of beer or other liquid to maintain the same in a fresh condition until it is entirely consumed.

A further object of the invention is to provide a device of this character adapted to be readily carried in the pocket and capable of being quickly applied to a receptacle.


Patent No. 184795A: Improvement In Vent-Valves For Casks

Today in 1876, US Patent 184795 A was issued, an invention of Herman F. Peter, William A. Klinge, Paul Assman, and George Schweikert, for their “Improvement in Vent-Valves For Casks.” There’s no Abstract, although in the description it includes these claims:

Our invention relates to an improved vent-valve for casks, &c.

The invention consists, first, in the combination, with a perforated valve seat, formed on the end of a screw-threaded stem, of an elastic valve and strap or holder, to admit air to a cask, barrel, or other receptacle; second, in the combination, with the valve seat and its stem, of a guard or cap, removably secured to the stem of the valve-seat by a set-screw, whereby the valve is protected and its displacement prevented third, in the combination, with the stem of the valve-seat, constructed. with a conical bearing, of a nut having a conical bearing and an interposed elastic ring, whereby the ring may be set out by forcing the conical bearings toward each other.


Patent No. 268186A: Measuring Vessel

Today in 1882, US Patent 268186 A was issued, an invention of George J. Gave, for his “Measuring Vessel.” There’s no Abstract, although in the description it includes these claims:

This invention relates to that class of measuring-vessels designed to automatically indicate from the outside the quantity of beer or other fermenting liquor as it is poured into said measuring vessels, the object being to save labor and material in the construction and render the vessels less liable to get out of repair.


Patent No. 3774820A: Tapping Device For Beer Kegs

Today in 1973, US Patent 3774820 A was issued, an invention of Homer R. Zucconi, for his “Tapping Device For Beer Kegs.” Here’s the Abstract:

Beer tapping attachments comprising a permanent keg unit including two normally closed spring-biased one-way valves to which unit is detachably secured a valve body which also includes two registering spring biased one-way valves, one connected to a source of air under pressure and the other to a beer spigot. All four valves are yieldably opened when the valve body is connected to the keg unit.


Patent No. 289075A: Device For Tapping Beer And Other Barrel

Today in 1883, US Patent 289075 A was issued, an invention of John F. Davey, for his “Device for Tapping Beer and Other Barrel.” There’s no Abstract, although in the description it includes these claims:

My invention relates to certain improvements in faucets for barrels or casks containing beer or other liquid under pressure,’and also in the bushing which is applied to the head of the barrel and used in connection with said faucet; and my invention consists in the combination,with a bushing having an exterior screwthread and a perfectly-smooth interior from end to end, and adapted to contain a plug driven tightly therein, of a faucet provided with a rearwardly-extending threaded stem or portion, over which is screwed a coup ling-nut having a second interior thread at its inner end, whereby it is adapted to screw over the outside of the end of the bushing in the barrel-head, and thus hold the faucet in place while the latter is being screwed in to force the wooden plug through the bushing, the coupling nut having a screw-thread on the outside of its front end, over which is fitted a screw-cap provided with a packing, thus form- .in g a stuffing-box at this point to prevent lead age, which enables the faucet to be always be tight when the discharge-outlet is turned in the desired position for use, which would not always be the case if it were turned up against a shoulder.


Patent No. WO1999060090A1: Premix Composition For Clarifying Beer

Today in 1999, US Patent WO 1999060090 A1 was issued, an invention of Mustafa Rehmanji, Andrew Mola, Robert Ianniello, Kolazi S. Narayanan, and Tom Cheng, assigned to Isp Investments Inc., for their “Premix Composition For Clarifying Beer.” Here’s the Abstract:

A premix composition for clarifying beverages like beer includes, by weight, (a) about 40 to 90 %, preferably 60-85 %, of silica xerogel having less than 10 % water therein, preferably 5 % or less, and a particle size, as defined by its mean volume average diameter MV, in both the dry state and as a 10 % aqueous slurry, of less than 50 ν, preferably about 5-30 ν, and (b) about 10 to 60 %, preferably 15-40 %, of crosslinked polyvinylpyrrolidone having a particle size as defined, in the dry state, of about 10 to 50 ν, and about 30-60 ν in a 10 % aqueous slurry, and a process of obtaining, chill-haze stabilized beer with substantial reduction in high molecular weight proteins, as well as polyphenols, flavanoids and tannins, in an efficient and effective single-step process at a rapid filter-flow rate, with undetectable residual soluble polyvinylpyrrolidone thereafter, and no microbiological growth in the premix, effective haze stability after time, and advantageous redispersibility of the premix used in the process.