Frederick Michael Langdon
23Patents
14h-index
37Co-inventors
81Inventor score
Filing activity: Sep 7, 1995 → Oct 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5989478A | Method of manufacturing fluid transport webs exhibiting surface energy gradients | Emerging Cross-Sectional Technologies | 89 | Expired |
| USD414262S | Pull-on garment | General | 74 | Expired |
| US7744579B2 | Absorbent article providing a better fit and more comfort to a wearer | Human Necessities | 72 | Active |
| US6626879B1 | Disposable absorbent article having article retention zones | Human Necessities | 53 | Expired |
| US8348919B2 | Absorbent article providing a better fit and more comfort to a wearer | Human Necessities | 50 | Active |
| US6025049A | Fluid transport webs exhibiting surface energy gradients | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6764478B2 | Disposable absorbent garment having highly extensible leg openings | Human Necessities | 42 | Expired |
| US7901390B1 | Disposable absorbent article | Human Necessities | 32 | Expired |
| US6231948A | Fluid transport webs exhibiting surface energy gradients | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6180052A | Fluid transport webs exhibiting surface energy gradients | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6641568B2 | Disposable absorbent garment having improved appearance and sustained fit | Human Necessities | 28 | Expired |
| US7771406B2 | Articles with elasticated topsheets | Human Necessities | 24 | Active |
| US7682350B2 | Disposable absorbent articles | Human Necessities | 18 | Expired |
| US7223261B2 | Articles with elasticated topsheets | Human Necessities | 17 | Expired |
| US5693169A | Method for making a capillary laminate material | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7074215B2 | Disposable absorbent article having article retention zones | Human Necessities | 7 | Expired |
| US8632516B2 | Pant-like disposable garment having improved fastener systems | Human Necessities | 5 | Active |
| US8343126B2 | Absorbent article having an anchored core assembly | Human Necessities | 4 | Active |
| US9398985B2 | Prestrained stretched laminates | Human Necessities | 4 | Active |
| US8070738B2 | Pant-like disposable garment having improved fastener systems | Human Necessities | 1 | Active |
| US8777917B2 | Absorbent article having an anchored core assembly | Human Necessities | 1 | Active |
| US8721610B2 | Absorbent article providing a better fit and more comfort to a wearer | Human Necessities | 0 | Active |
| US12121431B2 | Durable underwear adapted for use with absorbent component | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.