Patent US4136976A successfully refreshed from Google Patents.
US4136976A
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Static mixing device
Assignee: ChampionX LLC
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Filing: 1977-05-23
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Granted: 1979-01-30
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Expires: 1997-05-23
Abstract
Abstract An improved mixing device which comprises a cylinder having an inlet and an outlet and contained within the cylinder a plurality of hollow spheres having openings all about their surfaces.
Inventors
- 👤 Victor C. Leffelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:58
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/45; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
86 words
A static mixing device for mixing a plurality of fluent materials comprising, a hollow cylindrical housing having an inlet and an outlet, and a plurality of hollow spherical mixing members within said housing having outer diameters slightly less than the interior diameter of said housing, each of said mixing members not being connected to said housing, each said mixing member having a large number of openings for fluent material flow, whereby the fluent materials flow through the hollow spherical mixing members between the inlet and outlet.
Claim 2
Dependent Claim
86 words
A static mixing device for mixing a plurality of fluent materials comprising, a hollow cylindrical housing having an inlet and an outlet, and a plurality of hollow spherical mixing members within said housing having outer diameters slightly less than the interior diameter of said housing, each of said mixing members not being connected to said housing, each said mixing member having a large number of openings for fluent material flow, whereby the fluent materials flow through the hollow spherical mixing members between the inlet and outlet.
Claim 3
Dependent Claim
21 words
The static mixing device of claim 1, wherein spacers are provided within said housing spacing apart said hollow spherical mixing members.
Claim 4
Dependent Claim
12 words
The static mixing device of claim 2, wherein the spacers are annular.
Claim 5
Dependent Claim
17 words
The static mixing device of claim 1, wherein the hollow spherical mixing members are of resilient material.
References Cited (Backward Citations)
US867313A
Cited
US1071528A
Cited
US1460470A
Cited
FR652290A
Cited
GB1014499A
Cited
US3432994A
Cited
US3799132A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-01-29 | 1982-07-31 | 1983-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-01-29 | 1986-07-31 | 1987-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-01-29 | 1990-07-31 | 1991-01-30 | $7700.00 | Window Closed / Lapsed |