| Patents for E04D 15 - Apparatus or tools for roof working (1,929) |
|---|
| 02/07/1978 | US4072118 Seam crimping apparatus |
| 01/17/1978 | US4068446 Moving work station for use in constructing a building roof |
| 12/27/1977 | US4064819 Machine for progressively closing flanges of cap strips on standing T-rib roofs |
| 11/08/1977 | US4056889 Strip shingle alignment fixtures |
| 10/25/1977 | US4055384 Roofing apparatus |
| 10/11/1977 | US4053183 Apparatus for dislodging and collecting materials |
| 09/20/1977 | US4048924 Roofing system |
| 09/13/1977 | US4047346 Chicken wire roof and method of insulation |
| 09/13/1977 | US4047345 Roof system |
| 08/23/1977 | US4043093 Article holder for a sloping roof |
| 07/19/1977 | US4036422 Roofing nail applicator |
| 07/05/1977 | US4033499 Fastener applicators |
| 06/07/1977 | US4027611 Seam forming apparatus |
| 05/31/1977 | US4026441 Roof-gravel removal apparatus |
| 04/05/1977 | US4015746 Fastener positioning device |
| 04/05/1977 | US4015588 Tar kettle |
| 03/08/1977 | US4010592 Template for and method of cutting composition shingles for rapid and scrap-free installation |
| 03/01/1977 | US4009743 Roofing tool |
| 11/30/1976 | US3994057 Impact tool for installing dormers |
| 10/26/1976 | US3987827 Shingle removing tool |
| 10/05/1976 | US3984040 Deck nailing apparatus |
| 10/05/1976 | US3983676 Apparatus for automatically applying and securing roofing panels to the purlins of a building |
| 08/03/1976 | US3972462 Shingle laying machine and process |
| 07/20/1976 | US3969863 Roof system |
| 05/11/1976 | US3955236 Collector system in a vacuum sweeper circuit |
| 05/04/1976 | US3954544 Foam applying apparatus |
| 03/30/1976 | US3946722 Ambulatory tar applicator |
| 02/03/1976 | US3935983 Roof nailing machine |
| 01/06/1976 | US3930604 Walking stick and staple fastening tool |