| Patent No. | Patent Title: |
| 5049335 | Method for making polycrystalline flakes of magnetic materials ha... |
| 5047187 | Method of making ornamental pre-cast terrazzo panels with integra... |
| 5035850 | Method of producing concrete composite pipe |
| 5032328 | Method for casting friable asbestos-containing material into a ... |
| 5028364 | Process for forming concrete structures and stripping concrete fo... |
| 5028368 | Method of forming lined pipe |
| 5023030 | Method for casting one or several concrete products placed side b... |
| 5021205 | Concrete manufacturing process |
| 5021202 | Method and apparatus for constructing rammed earth walls with int... |
| 5017313 | Method and means for repairing existing manhole |
| 5017320 | Process for the manufacuture of stratified pieces such as roof ti... |
| 5016338 | Method for adjusting the vertical position of a frame on a founda... |
| 5017314 | Process for producing shells, moldings and a detachable insulatio... |
| 5013509 | Method for forming a tire clad concrete log |
| 5013500 | Process for producing hollow ceramic articles |
| 5013499 | Method of flame spraying refractory material |
| 5000895 | Method for preventing plastic from hardening in a dispenser tip |
| 5000890 | Method for resetting separated tiles |
| 4997602 | Cast-in-place manhole liner method |
| 4996013 | Method for rapid molding of elongate concrete articles |
| 4983342 | Method of making water and fire resistant building material |
| 4981626 | Method of forming dense concrete surface layer |
| 4981629 | Method of applying caulking |
| 4981628 | Repairing refractory linings of vessels used to smelt or refine c... |
| 4978488 | Concrete block molding machine having continuously driven vibrati... |
| 4973436 | Process of filling the edge joints of insulating glass panes with... |
| 4959003 | Device for die-casting of concrete goods such as block stones in ... |
| 4957687 | Method for making profiled plastic tubes such as corrugated tubes |
| 4957685 | Method of making a transportable brick panel |
| 4956032 | Method of grouting using a vacuum |
| 4954192 | Process for applying identification to objects made of porous mat... |
| 4953280 | Method of manufacturing prestressed concrete culverts |
| 4948296 | Swimming pool construction |
| 4946632 | Method of constructing a masonry structure |
| 4944901 | Method of making dental copings |
| 4944907 | Method for molding concrete blocks or bricks |
| 4938906 | Process for molding multi-colored plastic shells |
| 4938904 | Method of producing fascia parts |
| 4936006 | Method of making prestressed concrete articles |
| 4937027 | Method of manufacturing corrosion-resistant concrete or mortar |