Koch Industries has been granted a patent for an electrode stack assembly for a photoionization detector. The assembly includes a substrate with counter and sensing electrodes, and a third electrode to electrically separate the sensing and counter electrodes. The method involves applying different electric potentials to the electrodes to cause gas ionization. GlobalData’s report on Koch Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Koch Industries, Digital lending was a key innovation area identified from patents. Koch Industries's grant share as of January 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Photoionization detector with electrode stack assembly for gas ionization
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A recently granted patent (Publication Number: US11885766B2) discloses a method for operating a photoionization detector. The method involves applying different electric potentials to various electrodes on an electrically insulative substrate to cause ionization of gas in a cavity within the substrate. The patent details the specific configurations and arrangements of the electrodes, including the use of pin mounting holes and shafts to separate and electrically connect the electrodes effectively. Additionally, the method includes the incorporation of a lamp assembly to aid in ionizing gas within the cavity, enhancing the detector's functionality.
Furthermore, the patent describes methods for operating the photoionization detector in compensation mode and block mode. In compensation mode, specific electric potentials are applied to the electrodes to ensure proper ionization of gas, while in block mode, different potentials are used to block leak currents between electrodes. The inclusion of an auxiliary electrode in compensation mode and a guard electrode in block mode helps in measuring and calculating true plasma currents accurately. These innovative methods and configurations outlined in the patent aim to improve the efficiency and accuracy of photoionization detectors, enhancing their performance in various applications.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
