NL94112C - - Google Patents

Info

Publication number
NL94112C
NL94112C NL179985A NL179985A NL94112C NL 94112 C NL94112 C NL 94112C NL 179985 A NL179985 A NL 179985A NL 179985 A NL179985 A NL 179985A NL 94112 C NL94112 C NL 94112C
Authority
NL
Netherlands
Application number
NL179985A
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22345996&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NL94112(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Application granted granted Critical
Publication of NL94112C publication Critical patent/NL94112C/xx

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
    • G01N15/13—Details pertaining to apertures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
NL179985A 1949-08-27 1953-07-18 NL94112C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US112819A US2656508A (en) 1949-08-27 1949-08-27 Means for counting particles suspended in a fluid

Publications (1)

Publication Number Publication Date
NL94112C true NL94112C (fr) 1960-05-16

Family

ID=22345996

Family Applications (1)

Application Number Title Priority Date Filing Date
NL179985A NL94112C (fr) 1949-08-27 1953-07-18

Country Status (5)

Country Link
US (1) US2656508A (fr)
DE (1) DE964810C (fr)
FR (1) FR1080716A (fr)
GB (1) GB722418A (fr)
NL (1) NL94112C (fr)

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* Cited by examiner, † Cited by third party
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