By Pressure Differential Patents (Class 452/15)
  • Patent number: 9538769
    Abstract: System and method for processing raw shrimp. A head-on shell-on shrimp is first back-slit to expose the vein. Next, the head and some or all of the vein is removed in a hydraulic deheader. The headless, back-slit shrimp is then peeled in a roller-type peeling machine to remove the shell and any residual vein and provide high-quality, peeled and deveined shrimp meat.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: January 10, 2017
    Assignee: Laitram, L.L.C.
    Inventors: Lars Vedsted, Bruce F. Taylor
  • Patent number: 8591296
    Abstract: Mollusc processing apparatus and related methods are disclosed. Molluscs are held in holders by one of their shells, illustratively the bottom shells, and are moved between a series of processing stations. At a shell cut station, an opening is cut into one or both of the shells of each mollusc. The next processing station includes a cutting blade to cut the adductor muscle and viscera of each mollusc away from its non-held shell, illustratively the top shell, and a shell detach mechanism to detach the non-held shell from the held shell. One or multiple air blasts are directed toward the viscera to loosen it from the held shell, and at a vacuum station the loosened viscera is pulled from the held shell. A second muscle cut station includes another cutting blade to cut the adductor muscle from the held shell.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: November 26, 2013
    Assignee: Clearwater Seafoods Limited Partnership
    Inventors: Gleb Sekretta, Ben Garvey, Timothy Andrew Burke, Bruce Allan Stover, Andrew Neville Cormack, Gerard Murray Prinsen, Angus McLarty, Jacob MacKinnon, Nathaniel Bruce Tynes, Louis-Phillipe Frederick Manuge, Tracy Rose, David Rose, Lee Babin
  • Publication number: 20120214389
    Abstract: Mollusc processing apparatus and related methods are disclosed. Molluscs are held in holders by one of their shells, illustratively the bottom shells, and are moved between a series of processing stations. At a shell cut station, an opening is cut into one or both of the shells of each mollusc. The next processing station includes a cutting blade to cut the adductor muscle and viscera of each mollusc away from its non-held shell, illustratively the top shell, and a shell detach mechanism to detach the non-held shell from the held shell. One or multiple air blasts are directed toward the viscera to loosen it from the held shell, and at a vacuum station the loosened viscera is pulled from the held shell. A second muscle cut station includes another cutting blade to cut the adductor muscle from the held shell.
    Type: Application
    Filed: October 27, 2010
    Publication date: August 23, 2012
    Inventors: Gleb Sekretta, Ben Gärvey, Timothy Andrew Burke, Bruce Allan Stover, Andrew Neville Cormack, Gerard Murray Prinsen, Angus McLarty, Jacob MacKinnon, Nathaniel Bruce Tynes, Louis-Philippe Frederick Manuge, Tracy Rose, David Rose, Lee Babin
  • Patent number: 6537601
    Abstract: The invention relates to a process for eliminating pathogenic organisms and other bacteria from raw food products, such as raw shellfish, whereby the molluscan shellfish is exposed to hydrostatic pressure of relatively high value, for example between 10,000 p.s.i. to 60,000 p.s.i. for 1-15 minutes. The process is conducted at elevated temperatures, in the range of between 50 and 130 degrees Fahrenheit, leaving the raw shellfish substantially unaffected, in its desired raw state, such that the pathogenic organisms are destroyed, while sensory characteristics of the raw shellfish remain high. The same process can be used for shucking bivalve mollusks without any mechanical force, with the pressure ranging from 10,000 p.s.i. to 60,000 p.s.i. Taste of raw seafood is enhanced by adding flavor enhancing agents to the pressure vessel before application of pressure.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: March 25, 2003
    Assignee: Innovatit Seafood Systems, LLC
    Inventor: Ernest A. Voisin
  • Patent number: 6426103
    Abstract: The invention relates to a process for eliminating pathogenic organisms and other bacteria from raw food products, such as raw shellfish, whereby the molluscan shellfish is exposed to hydrostatic pressure of relatively high value, for example between 20,000 p.s.i. to 150,000 p.s.i. for 1-15 minutes. The process is conducted at minimal elevated temperatures, in the range of above ambient temperature to 150° F., leaving the raw shellfish substantially unaffected, in its desired raw state, such that the pathogenic organisms are destroyed, while sensory characteristics of the raw shellfish remain high. The same process can be used for shucking bivalve mollusks without any mechanical force, with the pressure ranging from 10,000 p.s.i. to 100,000 p.s.i. Taste of raw seafood is enhanced by adding flavor enhancing agents to the pressure vessel before application of pressure.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: July 30, 2002
    Assignee: Innovatit Seafood Systems LLC
    Inventor: Ernest A. Voisin
  • Patent number: 6393977
    Abstract: The invention relates to a process for eliminating pathogenic organisms from raw food products, such as raw shellfish, whereby the molluscan shellfish is exposed to hydrostatic pressure of relatively high value, for example between 20,000 p.s.i. to 50,000 p.s.i. for 1-15 minutes. The process is conducted at ambient temperatures, leaving the raw shellfish substantially unaffected, in its desired raw state, such that the pathogenic organisms are destroyed, while sensory characteristics of the raw shellfish remain high. The same process can be used for shucking oysters without any mechanical force. A high pressure processor for elimination of bacteria in raw food products is disclosed.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: May 28, 2002
    Assignee: Innovatit Seafood Systems, LLC
    Inventor: Ernest A. Voisin
  • Patent number: 6217435
    Abstract: The invention relates to a process for eliminating pathogenic organisms from raw food products, such as raw shellfish, whereby the molluscan shellfish is exposed to hydrostatic pressure of relatively high value, for example between 20,000 p.s.i. to 50,000 p.s.i. for 1-15 minutes. The process is conducted at ambient temperatures, leaving the raw shellfish substantially unaffected, in its desired raw state, such that the pathogenic organisms are destroyed, while sensory characteristics of the raw shellfish remain high. The same process can be used for shucking oysters without any mechanical force. A high pressure processor for elimination of bacteria in raw food products is disclosed.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: April 17, 2001
    Inventor: Ernest A. Voisin
  • Patent number: 6110032
    Abstract: A shellfish processing apparatus (10) particularly intended for Scallop Processing, in which a gripped shellfish is partially opened initially by manipulator means (12) so as to enable meat to be removed from one shell half at a station (22), and then opened fully at a station (24) for evisceration at a station (28) removal of meat from the remaining shell half at a station (32). The evisceration means (113) preferably includes a backing plate (122) which serves to concentrate water around the shell half being eviscerated and to hold the adductor muscle in place.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 29, 2000
    Assignee: OCTA Technologies Pty Ltd.
    Inventor: Dennis Charles Earnshaw
  • Patent number: 5112269
    Abstract: An apparatus for shelling shellfish such as shrimps consists of a dosing chamber (3) and a heat treatment chamber (5) separated by a slide valve (11) and sealed by cylindrical membrane valves (7, 9). From a funnel (31) the shellfish fall down into the dosing chamber (3) whose valve (7) is closed. The slide valve (11) is opened and a portion of animals fall down into the heat treatment chamber (5), whose bottom is closed by another membrane valve (9). The slide valve (11) is closed and steam at high pressure and temperature is induced into the heat treatment chamber (5). The pressure is removed from the membrane valve (9) after which the standing overpressure in the chamber (5) blows the shellfish out of the discharge opening (19) towards a rebound plate (35). Hereby the meat and shells of the shellfish are separated.
    Type: Grant
    Filed: August 9, 1990
    Date of Patent: May 12, 1992
    Inventors: Frede H. Petersen, deceased, Kaj A. Sorensen