John E Haynes

US Patent:

41898540, Feb 26, 1980

Filed:

Jul 17, 1978

Appl. No.:

5/925094

Inventors:

John A. Haynes - Sylacauga AL

Assignee:

Danek Industries, Inc. - Chattanooga TN

International Classification:

E02F 376

US Classification:

371175

Abstract:

A grader attachment for a bucket, which includes a scoop panel having a cutting edge and a pair of oppositely disposed side panels which define an interior volume, includes a bifurcated frame member, including a first leg and a second leg cooperatively defining an elongated slot therebetween receiving the cutting edge and a substantial portion of the scoop panel of the bucket. The outboard end portion of the first leg is located within the interior volume defined by the bucket. Longitudinally adjustable jackscrews frictionally engage the side panels and laterally adjustable jackscrews frictionally engage the scoop panel. A grader blade is attached to the frame member.

US Patent:

43756158, Mar 1, 1983

Filed:

Jun 2, 1980

Appl. No.:

6/155590

Inventors:

John L. Haynes - Redwood City CA

Assignee:

Becton Dickinson and Company - Paramus NJ

International Classification:

G01N 2700

US Classification:

324 714

Abstract:

Apparatus for counting platelets and red blood cells in a whole blood sample includes an aperture type transducer. Alarm techniques are provided for indicating defects in the counting procedure due to excessive noise or red cell fragments, small (microcytic) red cells, and giant (macro) platelets.

US Patent:

41654846, Aug 21, 1979

Filed:

Mar 23, 1977

Appl. No.:

5/780402

Inventors:

John L. Haynes - Redwood City CA

Assignee:

Becton, Dickinson and Company - Rutherford NJ

International Classification:

G01N 2700
A61B 500

US Classification:

324 71CP

Abstract:

Apparatus and a method therefor for counting platelets and red blood cells in a whole blood sample includes an aperture type transducer having front sheath and back sheath flows but also including various fluid resistors to maintan proper pressure differentials and which are driven from a common air supply. The whole blood sample is injected through the aperture by use of a small bore tube also driven by the common air supply.

US Patent:

42829020, Aug 11, 1981

Filed:

May 4, 1979

Appl. No.:

6/035835

Inventors:

John L. Haynes - Redwood City CA

Assignee:

Becton Dickinson & Company - Paramus NJ

International Classification:

F17D 301

US Classification:

1376361

Abstract:

Valve apparatus controls fluid flows in ten flexible tubes. The tubes are opposite each other in pairs and associated with each of five cams. One half of each cam provides cam surfaces which close and open one tube, and the other half, the opposite tube. With this arrangement five switch positions, which are equal to the number of cams, can be provided.

US Patent:

41106040, Aug 29, 1978

Filed:

Sep 13, 1977

Appl. No.:

5/832893

Inventors:

John L. Haynes - Redwood City CA
Bernard A. Shoor - Atherton CA

Assignee:

Becton, Dickinson and Company - Rutherford NJ

International Classification:

G06M 1100

US Classification:

235 92PC

Abstract:

A method and apparatus are provided for determining the count per unit volume, that is, the density of particles such as platelets in diluted whole blood. The invention involves use of known information, namely, the count per unit volume of other (reference) particles, such as red blood cells, also suspended in the same sample of liquid. The other particles are generally distinguishable from the particles of unknown count per unit volume by a difference in some measurable characteristic of the particles, such as size. One embodiment of the invention is characterized by generating electrical pulses which represent detected particles in a sample of liquid of undetermined volume; discriminating between pulses which have different characteristics; separately counting such pulses until the count of particles of known density reaches a corresponding preset number or until a predetermined period of time has elapsed, or until the entire sample of liquid under test has been tested; and displaying the total count of particles of previously unknown density. This total count either corresponds directly to the density of such particles or is an easily converted indication of such particle density.

US Patent:

42400295, Dec 16, 1980

Filed:

Apr 20, 1979

Appl. No.:

6/031770

Inventors:

John L. Haynes - Redwood City CA

Assignee:

Becton Dickinson & Company - Rutherford NJ

International Classification:

G01R 2722

US Classification:

324 71CP

Abstract:

Apparatus for counting platelets and red blood cells in a whole blood sample includes an aperture type transducer. Alarm techniques are provided for indicating defects in the counting procedure due to excessive noise or red cell fragments, small (microcytic) red cells, and giant (macro) platelets.