NL160430C - Ionisatie-manometerbuis. - Google Patents
Ionisatie-manometerbuis.Info
- Publication number
- NL160430C NL160430C NL6900231.A NL6900231A NL160430C NL 160430 C NL160430 C NL 160430C NL 6900231 A NL6900231 A NL 6900231A NL 160430 C NL160430 C NL 160430C
- Authority
- NL
- Netherlands
- Prior art keywords
- manometer tube
- ionization manometer
- ionization
- tube
- manometer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
- H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
- H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1550368A CH477684A (de) | 1968-10-15 | 1968-10-15 | Ionisationsmanometerröhre |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6900231A NL6900231A (nl) | 1970-04-17 |
NL160430B NL160430B (nl) | 1979-05-15 |
NL160430C true NL160430C (nl) | 1979-10-15 |
Family
ID=4409603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6900231.A NL160430C (nl) | 1968-10-15 | 1969-01-07 | Ionisatie-manometerbuis. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3760212A (nl) |
CH (1) | CH477684A (nl) |
DE (1) | DE1934940B2 (nl) |
FR (1) | FR2020747A1 (nl) |
GB (1) | GB1219044A (nl) |
NL (1) | NL160430C (nl) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047101A (en) * | 1976-01-08 | 1977-09-06 | Westinghouse Electric Corporation | Filament for alkali metal ionization detector |
US4095171A (en) * | 1976-04-07 | 1978-06-13 | Westinghouse Electric Corp. | Alkali metal ionization detector |
DE3628847C2 (de) * | 1986-08-25 | 1995-12-14 | Max Planck Gesellschaft | Heißkathoden-Ionisationsmanometer |
US6025723A (en) * | 1997-08-27 | 2000-02-15 | Granville-Phillips Company | Miniature ionization gauge utilizing multiple ion collectors |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2497213A (en) * | 1945-05-22 | 1950-02-14 | Nat Res Corp | Pressure gauge |
NL92807C (nl) * | 1953-06-15 | |||
US3067346A (en) * | 1959-12-07 | 1962-12-04 | Sylvania Electric Prod | Ionization vacuum gauge |
US3353048A (en) * | 1964-11-23 | 1967-11-14 | Gen Telephone & Elect | Ionization gauge for monitoring the flow of evaporant material |
-
1968
- 1968-10-15 CH CH1550368A patent/CH477684A/de not_active IP Right Cessation
-
1969
- 1969-01-07 NL NL6900231.A patent/NL160430C/nl not_active IP Right Cessation
- 1969-07-10 DE DE19691934940 patent/DE1934940B2/de active Pending
- 1969-10-07 GB GB49321/69A patent/GB1219044A/en not_active Expired
- 1969-10-15 FR FR6935238A patent/FR2020747A1/fr not_active Withdrawn
-
1971
- 1971-10-26 US US00192633A patent/US3760212A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH477684A (de) | 1969-08-31 |
US3760212A (en) | 1973-09-18 |
DE1934940B2 (de) | 1971-06-03 |
DE1934940A1 (de) | 1970-04-30 |
NL6900231A (nl) | 1970-04-17 |
NL160430B (nl) | 1979-05-15 |
GB1219044A (en) | 1971-01-13 |
FR2020747A1 (nl) | 1970-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: BALZERS |