1
John Protti: Hand vacuum pump with linear piston actuation. Innova Electronics Corporation, Stetina Brunda Garred & Brucker, December 31, 2002: US06499385 (25 worldwide citation)

A hand-held vacuum pump has a piston for drawing a vacuum. The pump has a piston rod having a piston end and a distal end. The piston end is attached to the piston. The pump further has a pivot lever having a rod end, a handle end, and a pivot interface disposed therebetween. The rod end is rotatabl ...


2
Raechell M Thuot, Bryan L Ackerman, Brian C Dais, Robert R Turvey, Jeramy M Dubay: Hand-held vacuum pump. S C Johnson & Son, January 17, 2012: US08096329 (13 worldwide citation)

A hand-held vacuum device includes a housing to hold an electrical motor operable to drive a piston pump that is configured to draw a substantially continuous vacuum for each complete cycle of the piston pump. The hand-held vacuum device also includes an expansion chamber releasably connected to and ...


3
Theodore C Neward: Hand-held vacuum pump. Lyon & Lyon, February 21, 1989: US04806084 (9 worldwide citation)

A small and compact vacuum pump which serves as a postable vacuum source is disclosed. The pump includes a cylinder coupled with one handle and a piston therein coupled with another handle, along with a wafer valve assembly for allowing a vacuum to be drawn at an inlet of the pump. A previous versio ...


4
Theodore C Neward: Hand-held vacuum pump vacuum release. Lyon & Lyon, April 30, 1991: US05011381 (6 worldwide citation)

There is disclosed herein a small and compact vacuum pump which serves as a portable vacuum source. The pump basically includes a cylinder coupled with a handle, and a piston in the cylinder coupled with another handle, along with a suitable valving assembly for allowing a vacuum to be drawn at an i ...


5
Theodore C Neward: Vacuum limiter for pump. Lyon & Lyon, December 26, 1995: US05478216 (3 worldwide citation)

A hand-held vacuum pump with an attached vacuum limiter valve is disclosed. The pump includes a cylinder coupled with a handle, a piston in the cylinder coupled with another handle, along with a suitable valving assembly for allowing a vacuum to be drawn at an inlet of the pump. More particularly, t ...


6
Theodore C Neward: Multi-vacuum release for pump. Lyon & Lyon, November 8, 1994: US05362214 (3 worldwide citation)

A hand-held vacuum pump with an attached vacuum release valve is disclosed. The vacuum release valve is oriented so that the hand-held vacuum pump and the vacuum release valve can be operated with the same hand. The vacuum release valve is operated using a trigger, allowing the operator to easily an ...


7
Andres Simon Goldsborough, Malcolm Robert Bates: Sample fixation and stabilisation. RNASSIST, Robin L Teskin, LeClairRyan A Professional Corporation, July 4, 2017: US09696247

It has surprisingly been discovered that it is possible to stabilize biomolecules such as RNA, DNA and proteins in biological samples such as cells, tissues, biopsies and blood using deep eutectic solvents (DES). It has also been discovered that DES mixtures can be used to fix and preserve cell morp ...


8
Marguerite Wytenhove, Jean Charles Agniel, Riou Agniel: Luggage comprising a vacuum device. Brouillette and Partners, Robert Brouillette, February 7, 2017: US09560901

The present invention discloses a container comprising a pump to vacuum the air contained in the container. The pump is combined with the telescopic handle of the container. A check valve in communication with the interior chamber of the container is connected to the vacuum pump for withdrawing air ...


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Tazoe Wataru, Miyagawa Ryosuke, Ishitsuka Yoshikazu, Tanaka Tetsuya, Azuhata Kiyoshi, Koromegawa Isao: Hand-held vacuum pump and automated urinary drainage system using that vacuum pump. Hitachi, August 9, 2006: EP1688621-A2

The invention relates to a hand-held or portable vacuum pump and a urine drainage system comprising that vacuum pump. In the hand-held vacuum pump (1), the main body (1a) of the vacuum pump in which the pump room (4a) is formed and the electric motor (2) are connected via a shaft coupling (21). The ...



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