Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12304096 | Razor blades | John Chadwick | 2025-05-20 |
| 11872713 | Razors and razor cartridges with colored blades | Laura Ming Xu, Kenneth James Skrobis, Ronald Richard Duff, JR., Joseph Allan DePuydt | 2024-01-16 |
| 11806886 | Razor blades | John Chadwick | 2023-11-07 |
| 11752651 | Cutting-edge structures and method of manufacturing cutting-edge structures | Abhinav Rao, Anastasios John Hart, Paul Kitchen | 2023-09-12 |
| 11685069 | Apparatus for testing razor blades and method for same | Peter Bradley | 2023-06-27 |
| 11642806 | Cutting-edge structures and method of manufacturing cutting-edge structures | Abhinav Rao, Anastasios John Hart, Paul Kitchen | 2023-05-09 |
| 11628582 | Razor components with novel coating | Alison Fiona Stephens, Joia Kirin SpoonerFleming | 2023-04-18 |
| 11465307 | Formation of thin uniform coatings on blade edges using isostatic press | Xiandong Wang | 2022-10-11 |
| 11458645 | Cutting-edge structures and method of manufacturing cutting-edge structures | Abhinav Rao, Anastasios John Hart, Paul Kitchen | 2022-10-04 |
| 11338321 | Method for modifying coated razor blade edges | Weili Yu, John Chadwick, John Lawrence Maziarz | 2022-05-24 |
| 11148309 | Razor components with novel coating | Alison Fiona Stephens, Joia Kirin Spooner-Wyman | 2021-10-19 |
| 10821619 | Atomic layer deposition coatings on razor components | John Madeira | 2020-11-03 |
| 10766157 | Razor blades | John Chadwick | 2020-09-08 |
| 10751895 | Apparatus for testing razor blades and method for same | Peter Bradley | 2020-08-25 |
| 10723032 | Formation of thin uniform coatings on blade edges using isostatic press | Xiandong Wang | 2020-07-28 |
| 10315319 | Formation of thin uniform coatings on blade edges using isostatic press | Xiandong Wang | 2019-06-11 |
| 10011030 | Razor blades | Jason Scott Slattery, William Sturdivant, Ralph Philip Buccilli, John Chadwick | 2018-07-03 |
| 9808944 | Methods of manufacturing silicon blades for shaving razors | Graham John Simms, Peter Johannus Leussink | 2017-11-07 |
| 9327416 | Atomic layer deposition coatings on razor components | John Madeira | 2016-05-03 |
| 9248579 | Razors and razor cartridges | Joseph Allan DePuydt, Steve S. Hahn, John Madeira, Krassimir Grigorov Marchev, Kenneth James Skrobis | 2016-02-02 |
| 9079321 | Razor blades | Oliver Claus, Joseph Allan DePuydt, Steve S. Hahn, Yongqing Ju, John Madeira +3 more | 2015-07-14 |
| 9027443 | Method of making a razor | Andrew Zhuk, Weili Yu, Hoang Mai Trankiem, Kevin Powell, Yiqian Eric Liu +5 more | 2015-05-12 |
| 8889225 | Chemical vapor deposition of fluorocarbon polymers | Andrew Zhuk | 2014-11-18 |
| 8642122 | Formation of thin uniform coatings on blade edges using isostatic press | Xiandong Wang | 2014-02-04 |
| 8628821 | Formation of thin uniform coatings on blade edges using isostatic press | Xiandong Wang | 2014-01-14 |