Patents
US 11808684 B2: French press permeameter
- Granted
- 2023-11-07
- Filed
- 2022-03-11 application 17654513
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A permeameter device comprising a pedestal base, wherein said pedestal base comprises an inner raised wall and an outer raised wall, wherein the inner raised wall is lower in height than the outer raised wall, a trough defined between the outer and inner walls of dimensions to accept therein a cylindrical tube, and at least one passage, having an inner port on said inner wall and extending through the outer wall through an outer port for fluid connection through said passage, and a loading rod, wherein a sample is prepared to fit within the cylindrical tube.
Source: PVGPATDIS, file of 2026-04-10 (ipg231107.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Lafayette College 12 patents | US company or organization | Easton, PA | Lafayette College State business registration EXACT high confidence: identical full name and state Lafayette College College or university EXACT high confidence: identical full name and state LAFAYETTE COLLEGE Federal lobbying client EXACT high confidence: identical full name and state LAFAYETTE COLLEGE Nonprofit EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael Price McGuire | Easton, PA | 3 | PVGPATDIS, file of 2026-04-10 | |
| Mary J. S. Roth | Easton, PA | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N15/0826 | PVGPATDIS, file of 2026-04-10 |
| E21B | Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells | E21B49/00 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-03-14 | Assignment Assignment of assignor's interest | MCGUIRE, MICHAEL P. signed 2021-05-03 ROTH, MARY J. S. signed 2021-04-29 | LAFAYETTE COLLEGE EASTON, PA | 59251/125 | PASDL, file of 2026-10-15 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.