Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216334 | Electric heater and method of manufacture | — | 2001-04-17 |
| 6205648 | Electric heater unit and method of manufacture | — | 2001-03-27 |
| 5974658 | Apparatus for and method of securing a heating element | — | 1999-11-02 |
| 5792540 | Flexible insulation panel and method of manufacture | — | 1998-08-11 |
| 5391840 | Insulated duct | Michael Smith | 1995-02-21 |
| 5211785 | Method for making a body of particulate insulating material | — | 1993-05-18 |
| 4978229 | Method and apparatus for testing thermal conductivity | — | 1990-12-18 |
| 4893397 | Fire-resistant container and method of assembling same | — | 1990-01-16 |
| 4801415 | Method for forming shaped pieces of insulation | — | 1989-01-31 |
| 4797082 | Apparatus for forming shaped pieces of insulation | — | 1989-01-10 |
| 4789512 | Method of enclosing an object within a homogeneous block | — | 1988-12-06 |
| 4770833 | Method of enclosing an object | — | 1988-09-13 |
| 4734031 | Vessel for holding high temperature bulk materials | — | 1988-03-29 |
| 4721227 | Fire-resistant container | Michael Lee Hardiman | 1988-01-26 |
| 4680070 | Tubes of microporous thermal insulation material | — | 1987-07-14 |
| 4564547 | Handleable shapes of thermal insulation material | — | 1986-01-14 |
| 4556593 | Panels of thermal insulation material | — | 1985-12-03 |
| 4546588 | Securing panels to a substantially flat or convex surface | Joseph A. McWilliams | 1985-10-15 |
| 4253012 | Electrical heating units | — | 1981-02-24 |