George C Gagne

20040226875, Nov 18, 2004

Mar 19, 2004

10/805032

Andrew Bartlett - Lowell MA, US
Mark Chisholm - Arlington MA, US
George Gagne - Dracut MA, US
Robert Jackson - Rindge NH, US

B01D063/00

210/321600, 210/483000, 210/488000, 210/489000

A filtration module is provided having a packing density of at least 300 square meters of active membrane filter area per cubic meter of external volume of said filter construction, said filter constructed of materials characterized by less than 250 mg of extracted contamination per mof extracted wetted material. The filtration module includes a membrane composite layer comprising a filtrate screen sealed to each surface of a membrane layer with a thermoplastic polymeric composition positioned about the periphery of the filtrate screen.

53118820, May 17, 1994

Jul 8, 1993

8/087382

George J. Gagne - Epsom NH

A61G 1500
A61F 537

128845

A head restraint for immobilizing a patient during tomographic examination. A two part cover, each part enclosing a pneumatic, inflatable member, is adjustably assembled so as to locate each inflatable member on opposite sides of the patient's head. A strap encircles the forehead, maintaining the restraint on the patient. A hand held squeeze bulb simultaneously and equally pressurizes both inflatable members so as to occupy all space between the patient's head and a U-shaped head holder typically provided with tomography X-ray machines. The inflatable members establish a comfortably fitting, flexible, large patch of contact with the patient's head and with the head holder. These characteristics immobilize a patient's head sufficiently to enable clear images to be developed. The inflated members are depressurized by a manual valve, and the restraint is readily removed from the patient.

20220212146, Jul 7, 2022

Mar 24, 2022

17/656285

- Burlington MA, US
George A. Gagne - Dracut MA, US

B01D 63/12
C02F 1/44
B01D 63/10
B01D 61/02
B01D 61/14
D06C 15/02

The present invention provides compact spiral-wound filter elements having cassette-like performance. The invention further provides filtration systems (e.g., TFF systems) and processes (e.g., SPTFF processes) employing compact spiral-wound filter elements having cassette-like performance.