Agilent Technologies Patent Grants

Double sided oil film thrust bearing in a scroll pump

Granted: September 24, 2024
Patent Number: 12098642
A vacuum scroll pump having an inlet portion having a pump inlet, and an exhaust portion having a pump outlet; a frame; a stationary scroll plate fixed to the frame and comprising a stationary plate comprising at least one stationary scroll blade; an orbiting scroll plate comprising an orbiting plate comprising at least one orbiting scroll blade projecting axially from a front side of the orbiting plate toward the stationary plate; a drive mechanism supported by the frame and operatively…

Kits comprising aldehydes to reduce artifacts in analyzing glycans released from glycoproteins or glycopeptides

Granted: September 17, 2024
Patent Number: 12092644
The presence of mild electrophiles, such as aldehydes, during the denaturation of glycoproteins or glycopeptides and subsequent enzymatic deglycosylation reduces artifacts in subsequent analyses of the glycans released from the glycoproteins or glycopeptides.

Adjusting separation method using sensor data and numerical analysis

Granted: September 10, 2024
Patent Number: 12085545
A process of determining a modified separation method for a sample separation apparatus based on an initial separation method, including carrying out the initial separation method on a sample separation apparatus, detecting sensor data at the sample separation apparatus during carrying out the initial separation method, and carrying out a numerical analysis for determining the modified separation method by modifying at least one operation parameter of the initial separation method and by…

Software licensing management and authentication

Granted: September 3, 2024
Patent Number: 12079313
Novel tools and techniques are provided for implementing software licensing management and authentication. In various examples, a computing system might receive a request for an unlock code for a requested service from a user using a client device on which a first software is executed, the request comprising a generated unique identifier associated with the requested service and/or the first software. The generated unique identifier comprises licensing information associated with the…

Injector serving multiple sample separation apparatuses

Granted: September 3, 2024
Patent Number: 12078619
An injector, for injecting a fluidic sample in at least one selected one of a first sample separation apparatus and a second sample separation apparatus, includes a valve arrangement fluidically connectable to the first sample separation apparatus and the second sample separation apparatus, a sample accommodation volume for accommodating the fluidic sample, and a control unit configured for controlling the valve arrangement so that fluidic sample in the sample accommodation volume is…

Cell-substrate impedance monitoring of cancer cells

Granted: August 20, 2024
Patent Number: 12066428
Methods of assessing cytolysis of cancer cells are provided, which include: providing a cell-substrate impedance monitoring device operably connected to an impedance analyzer, adding target cells characterized as cancer cells to a well of the device adding effector cells to the well to form a test well, where the effector cells are immune cells obtained or derived from a same patient as the target cells; monitoring cell-substrate impedance of the test well before and after adding the…

Headspace eliminating microtiter plate lid and method of optically measuring well oxygen concentration through the lid

Granted: August 13, 2024
Patent Number: 12059683
An implement for eliminating headspace in the testing space(s) (T9 or MPWell) of a test tube (T) or microtiter plate (MP), and methods of using such implements to measure oxygen concentration in a test sample. The implement projects into a test chamber (T9 or MPWell) to displace a portion of a fluid sample within the test chamber (T9 or MPWell) and has longitudinally extending grooves (109 and 229) through which the displaced fluidic content can be discharged from the test chamber (T9 or…

Sample handling and dispatching individual sample packages for fluid processing

Granted: August 6, 2024
Patent Number: 12055526
A sampling unit for handling a sample fluid includes a sample container having a length and being configured for receiving and storing the sample fluid, and a sample segment dispatching unit configured for providing a plurality of individual sample packages of the fluidic sample, each contained in a respective volume segment along the length of the sample container, and for individually dispatching each of the plurality of individual sample packages for further processing in a fluid…

Instrument closure including sensor retainer

Granted: August 6, 2024
Patent Number: D1037883

Deparaffinization of tissue utilizing electric field

Granted: July 30, 2024
Patent Number: 12050163
Paraffin-embedded tissue is prepared removing paraffin from the tissue. The paraffin is removed by generating an electric field effective to produce plasma and direct charged species of the plasma to the paraffin, thereby rendering the paraffin responsive to the electric field. The electric field may move the paraffin out from the tissue due to electrostatic force. Movement of the paraffin may be assisted by moving an electrode utilized to generate the electric field relative to the…

Systems and methods for electronically and optically monitoring biological samples

Granted: July 30, 2024
Patent Number: 12049615
A system for electronically and optically monitoring biological samples, the system including: a multi-well plate having a plurality of wells configured to receive a plurality of biological samples, each of the wells having a set of electrodes and a transparent window on a bottom surface of the well that is free of electrodes; an illumination module configured to illuminate the wells; a cradle configured to receive the multi-well plate, the cradle having an opening on the bottom that…

Sequencing an insert and an identifier without denaturation

Granted: July 16, 2024
Patent Number: 12037640
Methods and kits for next-generation sequencing are disclosed. In some embodiments, the present methods comprise sequencing an insert and sequencing an insert without an intervening denaturation step. Decreased sequencing signal from insert sequences, the use of unlabeled nucleotides to form double stranded insert constructs, and the use of synthesis blocking nucleotides are also discussed.

Mass spectrometry ION source

Granted: July 9, 2024
Patent Number: 12033843
Provided herein is an ion source containing a plurality of components, at least one of which is partially coated with a layer of silicon. The ion source reduces reactivity between the sample and the carrier gas, reduces or eliminates tailing in ion chromatograms, and/or improves mass spectral fidelity. Also provided are methods of using the ion source in a mass spectrometer or gas chromatograph-mass spectrometer.

Air gap magnetic coupling with counterbalanced force

Granted: June 18, 2024
Patent Number: 12015320
A magnetic coupling assembly includes a first balancing magnet positioned and surrounding drive magnets and, across a gap, a second balancing magnet and surrounding driven magnets. The drive magnets when rotated drive the driven magnets to rotate. The balancing magnets generate a repulsive force, which counterbalances an attractive force generated by the drive magnets and driven magnets. The assembly may be utilized in a pump for contactless coupling of a motor shaft to a pump shaft. The…

Fluid pump with integrated cowling and discharge muffler

Granted: June 11, 2024
Patent Number: 12006937
A discharge muffler for a fluid pump is formed by a cowling and a muffler insert configured to be removably inserted into a muffler receptacle of the cowling. The muffler insert includes a muffler inlet, a muffler outlet, and a plurality of muffler walls. The pump includes a pumping stage, a motor, and a drive shaft coupled between the pumping stage and the motor. When the muffler insert is inserted into the muffler receptacle, the muffler inlet communicates with the pumping stage, and…

Polymerase mutants and use with 3?-OH unblocked reversible terminators

Granted: June 11, 2024
Patent Number: 12006519
Mutant polymerases are provided that have improved ability to incorporate modified nucleotides, including 3?-OH unblocked reversible terminators. The mutant polymerases may be used in a variety of applications, such as for polynucleotide sequencing, primer extension reactions, and template-independent enzymatic oligonucleotide synthesis.

Two-dimensional fluid separation with push-pull modulation

Granted: June 11, 2024
Patent Number: 12005376
A sample separation apparatus includes a first-dimension separation unit for separating the fluidic sample, having a first-dimension outlet for outputting the fluidic sample or fractions thereof, and a second-dimension separation unit for further separating the fluidic sample or fractions thereof. The second-dimension separation unit has a second-dimension inlet fluidically coupled to the first-dimension outlet. A modulation unit, coupled between the first-dimension outlet and the…

Fluid supply devices and fluid member for forming a mobile phase for a sample separating device

Granted: June 4, 2024
Patent Number: 12000808
A fluid supply device for providing a mobile phase for a sample separating device includes, a supply conduit for providing a fluid which forms at least a part of the mobile phase, a fluid valve which is fluidically coupled with the supply conduit and, depending on its switching state, enables or prevents a passing of the fluid from the supply conduit, an elastic buffer unit which is fluidically coupled upstream of the fluid valve with the supply conduit and which is configured for…

Instrument monitoring system

Granted: June 4, 2024
Patent Number: 12003904
Systems and methods are disclosed for capturing and interpreting data streams between an instrument and a controlling device. A processor is configured to receive a data stream sent by the instrument to the controlling device and identify data frames in the stream. The processor is configured to search for a bit pattern in the stream, identify bits corresponding to a message length of a first presumed data frame based on a location relative to the bit pattern, and identify a second…

Fitting assemblies for fluidic connections

Granted: June 4, 2024
Patent Number: 12000810
A fitting assembly (100) is provided. The fitting assembly (100) comprises a holder (102) that holds one or more fluidic seal assemblies. The fluidic seal assembly comprises a fitting (104), a ferrule (110) and a tube (112), such as a chromatography column, and optionally comprises a protrusion (118) and a compliant seal material (120). Fluidic connections for a gas chromatography instrument are also provided.