Inventor
Klaus Witt
Inventor
Keltern, DE
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
Y10TTechnical subjects covered by former us classification16%
B01LChemical or physical laboratory apparatus for general use11%
B29CShaping or joining of plastics9%
B01DSeparation8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
F04BPositive-displacement machines for liquids6%
F17DPipe-line systems3%
B01FMixing, e.g. dissolving, emulsifying or dispersing1%
G01RMeasuring electric variables1%
PatentTitleYear
11,035,350Synchronization of supply flow paths202110,830,739Temporary storage of sample portions for artefact-preventing fluid processing202010,761,071Artifact compensation due to different properties of fluid accommodation volumes in sample separation apparatus202010,429,361Valve and splitting system for multi-dimensional liquid analysis201910,107,273Synchronization of supply flow paths201810,073,012Debris filter for fluidic measurement with recess size decreasing in fluid flow direction201810,012,624Method transfer between fluidic devices considering deviations from ideal behavior20189,945,762Apparatus and method for introducing sample into a separation unit of a chromatography system without disrupting a mobile phase20189,823,226'HPLC sample introduction with coupling sample reservoirs in parallel between mobile phase drive and separation unit'20179,803,627'Serial type pump comprising a heat exchanger'20179,791,107'Packet-wise proportioning followed by immediate longitudinal mixing'20179,782,692'Prevention of phase separation upon proportioning and mixing fluids'20179,694,301'Two-dimensional fluid separation with controlled pressure'20179,631,618'Determination of a fluid loss of a piston pump based on evacuation time variation'20179,459,239'Intake monitoring for accurate proportioning'20169,423,384'Method transfer between fluidic devices considering deviations from ideal behavior'20169,360,006'Primary piston correction during transfer'20169,335,309'Fluidic valve with selectively switchable storage paths'20169,239,319'Valve and splitting system for multi-dimensional liquid analysis'20169,081,044'Detection cell with controlled power dissipation'20158,716,025'Drifting two-dimensional separation with adaption of second dimension gradient to actual first dimension condition'20148,515,587'Configuring a physical condition at a source to obtain a desired physical condition at destination'20138,511,889'Flow distribution mixer'20138,297,936'Compensating temperature-induced errors during piston movement'20128,182,680'Primary piston correction during transfer'20127,670,480'Solvent supply with correction of piston movement'20107,243,670'Microfluidic system'20077,118,660'Method and apparatus for analyzing a mixture of sample substances'20066,859,050'High frequency contactless heating with temperature and/or conductivity monitoring'20056,264,892'Miniaturized planar columns for use in a liquid phase separation apparatus'20016,093,362'Miniaturized planar columns in novel support media for liquid phase analysis'20006,033,628'Miniaturized planar columns for use in a liquid phase separation apparatus'2000RE036350'Fully integrated miniaturized planar liquid sample handling and analysis device'19995,882,571'Method for making miniaturized planar columns in novel support media for liquid phase analysis'19995,804,022'Method for making miniaturized planar columns in novel support media for liquid phase analysis'19985,658,413'Miniaturized planar columns in novel support media for liquid phase analysis'19975,645,702'Low voltage miniaturized column analytical apparatus and method'19975,641,400'Use of temperature control devices in miniaturized planar column devices and miniaturized total analysis systems'19975,571,410'Fully integrated miniaturized planar liquid sample handling and analysis device'19965,424,037'Apparatus for handling liquid vials in an analytical device'19955,358,613'Method and apparatus for injecting liquid into a capillary tube'19945,238,557'Apparatus for controlling the temperature of the mobile phase in a fluid chromatograph'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1999Patents assigned to HEWLETT PACKARD CO (10)· patent assignee history
1993–2021Based in Keltern, DE· patent location history
2000–2021Patents assigned to AGILENT TECHNOLOGIES INC (30)· patent assignee history
2005Based in Koltern, DE· patent location history
2012–2018Patents assigned to WITT KLAUS (17)· patent assignee history
2012–2017Patents assigned to CHOIKHET KONSTANTIN (7)· patent assignee history
2012–2016Patents assigned to ANDERER HERBERT (4)· patent assignee history
2012–2018Based in Waldbronn, DE· patent location history
2013Based in Boeblingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGILENT TECHNOLOGIES INC | 30 | 2000–2021 |
| WITT KLAUSself | 17 | 2012–2018 |
| HEWLETT PACKARD CO | 10 | 1993–1999 |
| CHOIKHET KONSTANTIN | 7 | 2012–2017 |
| ANDERER HERBERT | 4 | 2012–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Keltern, DE | 33 | 1993–2021 |
| Waldbronn, DE | 7 | 2012–2018 |
| Boeblingen, DE | 1 | 2013 |
| Koltern, DE | 1 | 2005 |