US5674381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly of filtering apparatus and replaceable filter; and filtering apparatus and filter for use therein
Assignee: TACK SMART FILTER TECHNOLOGY BV
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Filing: 1994-03-29
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Granted: 1997-10-07
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Expires: 2014-03-29
Abstract
Abstract PCT No. PCT/NL94/00067 Sec. 371 Date Nov. 29, 1995 Sec. 102(e) Date Nov. 29, 1995 PCT Filed Mar. 29, 1994 PCT Pub. No. WO94/22551 PCT Pub. Date Oct. 13, 1994A filtering apparatus and replaceable filter assembly including an electronic filter identification system having an electronic label on the filter and a read-out mechanism on the filtering apparatus. The read-out mechanism is connected to a control unit of the filtering apparatus and the control unit is influenced by the read-out mechanism. The control unit may be actuable only upon disposing a filter in the filtering apparatus having a proper or predetermined electronic label. The filter identification system may also be interactive. The electronic label on the filter includes a read/write memory which can store the number of operating hours of the filter.
Inventors
- 👤 Dirk Jan Marinus Den Dekker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:54
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0084; B01D46/0086; B01D35/00; B01D35/14; B01D35/143; B01D46/009; B01D46/42; B01D46/429; B01D2201/00; B01D2201/40; B01D2201/4046; B01D2201/52; B01D2201/56
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
57 words
An assembly of a filtering apparatus and a replaceable filter which comprises an electronic filter identification system, including an electronic label on the filter and read-out means on the filtering apparatus, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
Claim 2
Dependent Claim
57 words
An assembly of a filtering apparatus and a replaceable filter which comprises an electronic filter identification system, including an electronic label on the filter and read-out means on the filtering apparatus, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
Claim 3
Dependent Claim
28 words
The assembly of claim 1, wherein the read-out means is connected to a control unit of the filtering apparatus, said control unit being responsive by the read-out means.
Claim 4
Dependent Claim
27 words
The assembly of claim 2, wherein the control unit is actuable only upon said filter being disposed in the filtering apparatus which has a predetermined electronic label.
Claim 5
Dependent Claim
12 words
The assembly of claim 1, wherein the filter identification system is interactive.
Claim 6
Dependent Claim
28 words
The assembly of claim 1, wherein the filtering apparatus comprises an indicating means including a display or indicator and a control panel, for showing information on the filter.
Claim 7
Dependent Claim
21 words
The assembly of claim 1, wherein the label comprises means allowing use or refusal of the filter by the filtering apparatus.
Claim 8
Dependent Claim
85 words
A filtering apparatus adapted to receive a replaceable filter wherein said apparatus comprises read-out means adapted to cooperate with an electronic label on the filter to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter, said read-out means adapted to respond to said memory means to effect at least one of providing a warning or actuating shutdown of flow through the filter.
Claim 9
Dependent Claim
85 words
A filtering apparatus adapted to receive a replaceable filter wherein said apparatus comprises read-out means adapted to cooperate with an electronic label on the filter to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter, said read-out means adapted to respond to said memory means to effect at least one of providing a warning or actuating shutdown of flow through the filter.
Claim 10
Dependent Claim
60 words
A filter adapted to be placed in a filtering apparatus wherein said filter comprises an electronic label adapted to cooperate with read-out means on the filtering apparatus to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
Claim 11
Dependent Claim
60 words
A filter adapted to be placed in a filtering apparatus wherein said filter comprises an electronic label adapted to cooperate with read-out means on the filtering apparatus to form an electronic filter identification system, said electronic label comprising means including a read and write memory adapted to count and store a number of actual operating hours of the replaceable filter.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-10-06 | 2001-04-07 | 2001-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-10-06 | 2005-04-07 | 2005-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-10-06 | 2009-04-07 | 2009-10-07 | $7700.00 | Window Closed / Lapsed |