Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11408508 | Piston ring | Steffen Hoppe, Ralf Lammers, Rudolf Linde | 2022-08-09 |
| 6347423 | Jacketed cushioning elements and assemblies thereof in mattresses and upholstery | — | 2002-02-19 |
| 6260331 | Method and apparatus for the manufacture of pocketed springs | — | 2001-07-17 |
| 6131892 | Belted pocketed springs and assemblies thereof | — | 2000-10-17 |
| 6101697 | Apparatus for producing string of pocket coils | W. Kenneth McLaren | 2000-08-15 |
| 5483780 | Planar or three-dimensional ceiling latticework consisting of bars and joint-fittings, in particular a walk-on ceiling lattice | — | 1996-01-16 |
| 5319815 | Box spring core with compartmentalized springs | Helmut Gerking | 1994-06-14 |
| 4986518 | Pocketed coil strings having a flat overlap side seam | — | 1991-01-22 |
| 4895352 | Mattress or cushion spring array | — | 1990-01-23 |
| 4854023 | Method for providing pocketed coil strings having a flat overlap side seam | — | 1989-08-08 |
| 4578834 | Innerspring construction | — | 1986-04-01 |
| 4566926 | Method and apparatus for manufacturing innerspring constructions | — | 1986-01-28 |
| 4565046 | Apparatus for manufacturing pocketed coil springs | — | 1986-01-21 |
| 4523344 | Independent block assembly of springs | Paul J. Dillon | 1985-06-18 |
| 4519107 | Boxspring having coil compression stops | Paul J. Dillon | 1985-05-28 |
| 4491491 | Ultrasonic separation apparatus | — | 1985-01-01 |
| 4485506 | Coil spring construction | Paul J. Dillon | 1984-12-04 |
| 4451946 | Pocketed spring assembly | — | 1984-06-05 |
| 4444523 | Device for connecting plates and/or rods | — | 1984-04-24 |
| 4439977 | Method and apparatus for making a series of pocketed coil springs | — | 1984-04-03 |
| 4401501 | Apparatus for making assemblies of pocketed springs | — | 1983-08-30 |
| 4234983 | Thermally welded spring pockets | — | 1980-11-25 |
| 4234984 | Pocketed spring assembly | — | 1980-11-25 |