Inventor
DONALD E. WALDROUP
Inventor
US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Hprimary
D21HPulp compositions19%
D21FPaper-making machines15%
D04HMaking textile fabrics, e.g. from fibres or filamentary material12%
D10BIndexing scheme associated with sublasses of section d, relating to textiles12%
A47KSanitary equipment4%
A61FFilters implantable into blood vessels4%
A61LMethods or apparatus for sterilising materials or objects in general4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%
PatentTitleYear
12,454,582Nanofibrillated cellulose fibers202512,331,465Foam-formed fibrous sheets with crimped staple fibers202512,043,963Fibrous sheet with improved properties202411,939,726Resilient, multi-layered wiping product202411,591,755Paper tissue with high bulk and low lint202311,255,051Fibrous sheet with improved properties2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to KIMBERLY CLARK CO (6)· patent assignee history
2022–2025Based in US· patent location history
2025Patents assigned to UNIV SHANGHAI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KIMBERLY CLARK CO | 6 | 2022–2025 |
| UNIV SHANGHAI | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 6 | 2022–2025 |