1
James A Mawhirt, Joseph E DiFlora, William J C McCandless, George H Ward: Test tube holder. Technicon Instruments Corporation, Jeffrey M Greenman, July 31, 1990: US04944924 (82 worldwide citation)

The test tube holder includes an elongated tubular member which supports a pivot member thereby rendering the tubular member and pivot member relatively pivotable with respect to each other. Latch members provided on the tubular member and pivot member are engagable with complementary shaped latch m ...


2
James A Mawhirt: Spring biased test tube holder. Miles, Rodman & Rodman, August 11, 1992: US05137693 (72 worldwide citation)

The test tube holder includes an elongated tubular member which supports a pivot member and receives a removable adapter member. The adapter member accommodates a test tube and can be interchanged with another adapter member that accommodates a different size test tube. Biasing springs are provided ...


3
Chidi I Anukwuem: Test tube holder with lock down clamp. Richard M Goldberg, December 3, 1996: US05579928 (69 worldwide citation)

A test tube holder for holding a test tube having an upper lip, includes a holder ring having an opening therein through which the test tube can be inserted; and a lock down clamp secured to the holder and including a lock down member movable over the holder and over the upper lip of the test tube, ...


4
Stanley R Mahe: Test tube holder and tray assembly. Barnstead Thermolyne Corporation, Wood Herron & Evans, July 28, 1992: US05133939 (58 worldwide citation)

A test tube holder and tray assembly designed for use with a dri-bath incubator. The test tube holder comprises a top shelf which comprises a rigid top plate and a sheet of flexible material secured to the rigid plate having a second plurality of openings which are aligned with the openings in the t ...


5
James A Mawhirt, Luigi Cantatore, Joseph E DiFlora, William J C McCandless, Marvin Trieb: Automatic sampling system. Technicon Instruments Corporation, Jeffrey M Greenman, August 29, 1989: US04861553 (47 worldwide citation)

The automatic sampling system includes a test apparatus for testing specific characteristics of a fluid withdrawn from a closed test tube. Stoppered test tubes are continuously and automatically delivered to the test apparatus by a conveyor system that includes a continuous linkage of test tube hold ...


6
George E Nelms, Charles Eumurian: Specimen tube transfer carrier. AutoMed, Klarquist Sparkman Campbell Leigh & Whinston, March 14, 1995: US05397542 (41 worldwide citation)

A single cavity specimen test tube carrier especially adapted to connect to like carriers along one axis or a different axis or in a matrix. The carrier includes a test tube holder, a viewing slot, a side-to-side coupling mechanism and a front-to-back joining mechanism to attach the carriers togethe ...


7
Teruaki Itoh: Test tube holder. Volpe and Koenig P C, August 14, 2001: US06274092 (41 worldwide citation)

A test tube holder according to the present invention includes a holder body having a cylindrical body having a cylindrical hollow formed to a given depth from the top to the bottom along the axis of the holder body and designed to hold a test tube, a tightening ring mounting small-diameter section ...


8
Rem Douglas J, Smith David H: Test tube holder. September 14, 1971: US3604566 (29 worldwide citation)

There is herein disclosed a tube-carrying rack comprising an elongated, color-coded, U-shaped base with at least two upstanding sidewalls, track means disposed along the inner surface of the sidewalls, a tube-carrying support member, a plurality of apertures disposed within the support member and lo ...


9
Teruaki Itoh: Test tube holder. Nixon & Vanderhye P C, October 17, 2006: US07122158 (29 worldwide citation)

A test tube holder includes a test tube insertion adapter having an adapter body and an elastic annular band and projections. The adapter body includes a flange section, an annular section, a plurality of flat spring sections whose proximal end portions are connected to the annular section and whose ...


10
Hiroshi Ohga, Tatsuya Fukugaki, Tetsuya Isobe, Kuniaki Onizawa: Holder for transferring test tube. HITACHI HIGH TECHNOLOGIES CORPORATION, Mattingly & Malur PC, December 15, 2015: US09211543 (28 worldwide citation)

A test tube holder holds various types of test tubes substantially perpendicular, and is structured to be durable against extraction and insertion of the test tubes. The test tube holder includes a housing part having a hollow portion, a holding part positioned on an upper side of the housing part a ...