| Patents for B32B 3 - Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products essentially having particular features of form (43,975) |
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| 10/13/1981 | US4294875 Insulation panel |
| 10/13/1981 | US4294329 Double layer attenuation panel with two layers of linear type material |
| 10/07/1981 | EP0037387A1 A sheet assembly and method of manufacturing same |
| 10/06/1981 | US4293357 Method for producing ceramic honeycomb filters |
| 10/06/1981 | CA1110032A1 Composite foam roof insulation |
| 09/29/1981 | US4292375 Superplastically formed diffusion bonded metallic structure |
| 09/29/1981 | US4292356 Method of manufacturing of honeycomb noise attenuation structure and the structure resulting from the method |
| 09/29/1981 | US4291851 Thermal insulation for aircraft fuselage |
| 09/29/1981 | CA1109864A1 Ergoline derivatives |
| 09/23/1981 | EP0036356A1 Impervious metallic light-weight construction element |
| 09/22/1981 | US4291205 Laminated loudspeaker diaphragm with honeycomb core and damping layers |
| 09/22/1981 | US4291080 Sound attenuating structural panel |
| 09/22/1981 | US4291079 Method of manufacturing a honeycomb noise attenuation structure and the structure resulting therefrom |
| 09/22/1981 | CA1109383A1 Stabilized fabrics |
| 09/22/1981 | CA1109377A1 Process and apparatus for making stabilized fabrics |
| 09/08/1981 | US4287693 Interlocking rubber mat |
| 09/08/1981 | CA1108402A1 Resinous polymer sheet materials having selective surface decorative effects and methods of making the same |
| 09/02/1981 | EP0034722A2 Coating composition and process for adhering a curable composition to a substrate |
| 09/01/1981 | US4287250 Elastomeric cushioning devices for products and objects |
| 08/27/1981 | EP0022849A4 Method and apparatus for manufacturing a plastics solar panel structure. |
| 08/26/1981 | EP0034453A1 Process and apparatus for the manufacture of cellular composites |
| 08/25/1981 | US4286015 Polyaryl ether sulfone semipermeable membrane and process for producing same |
| 08/25/1981 | US4286006 Corrugated material |
| 08/25/1981 | US4285764 Method and apparatus for producing corrugated combined board |
| 08/25/1981 | US4285181 Building planks and/or methods and/or apparatus for making the same |
| 08/18/1981 | US4284679 For fabrication of reticulated laminates |
| 08/18/1981 | US4284457 Method for bonding a skin member to honeycomb core |
| 08/18/1981 | US4284443 Single stage hot bonding method for producing composite honeycomb core structures |
| 08/11/1981 | US4283465 Mixing with a low melting aluminum alloy to obtain sound absorbing materials |
| 08/11/1981 | US4283464 Prefabricated composite metallic heat-transmitting plate unit |
| 08/11/1981 | US4283449 Crushed metal foil |
| 08/11/1981 | US4283210 Ceramic honeycomb filter and a method of producing the same |
| 08/11/1981 | CA1106745A1 Rubbery cushion having pressure-sensitive adhesive layer |
| 08/06/1981 | WO1981002137A1 Information carrying discs |
| 08/05/1981 | EP0032932A1 Backup material and method for drilling |
| 07/21/1981 | CA1105394A1 Honeycomb core with internal septum, and method of making same |
| 07/21/1981 | CA1105351A1 Cover or the like |
| 07/14/1981 | US4278482 Foaming, gagueing |
| 07/14/1981 | CA1104781A1 Scrim reinforced plastic film |
| 07/09/1981 | WO1981001791A1 Custom valved cervical cap |
| 07/01/1981 | EP0031174A1 Cooled gasturbine blade |
| 06/30/1981 | US4276338 Absorbent article |
| 06/30/1981 | EP0023915A4 Composite structural system and method and applications to pallets and platforms. |
| 06/24/1981 | EP0030918A1 Method and apparatus for applying a sealing film strip to the edge of a blank |
| 06/24/1981 | EP0030714A2 Process in the manufacture of a construction element |
| 06/23/1981 | US4275111 Corrosion protection structure |
| 06/17/1981 | EP0030522A2 A self supporting panel of polyurethane resins or the like, a manufacturing method thereof and an apparatus used therewith |
| 06/16/1981 | US4273818 Force infeed element for laminar panel assembly |
| 06/16/1981 | CA1102987A1 Doubled-walled articles |
| 06/09/1981 | US4272578 Ski apparatus |
| 06/02/1981 | US4271219 Method of manufacturing an adhesive bonded acoustical attenuation structure and the resulting structure |
| 06/02/1981 | US4271103 Plastic solar panel structure and method for making the same |
| 06/02/1981 | CA1102444A1 Peripherally reinforced laminated loudspeaker diaphragm |
| 05/27/1981 | EP0029275A1 Bodies composed of at least two parts, sealing glass and method for bonding parts |
| 05/26/1981 | US4269882 Method of manufacturing of honeycomb noise attenuation structure and the structure resulting therefrom |
| 05/26/1981 | US4269549 Method for drilling circuit boards |
| 05/20/1981 | EP0028862A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/14/1981 | WO1981001263A1 Method and apparatus for forming a plate with at least one profiled border |
| 05/13/1981 | EP0028476A1 Protective shields |
| 05/12/1981 | US4267228 Method for producing tear tape and seal and tear line for packaging |
| 05/12/1981 | US4267223 Corrugated plasticboard |
| 05/06/1981 | EP0027918A1 Textile covered synthetic lining and process for its production |
| 05/05/1981 | USRE30600 Compliant structural members |
| 05/05/1981 | US4265955 Honeycomb core with internal septum and method of making same |
| 05/05/1981 | US4265938 Pressing glass beads into metal substrate |
| 05/05/1981 | US4265937 Method for producing a colored reflective plate having excellent durability and fabricability |
| 05/05/1981 | US4265688 Method for producing sandwich type structural components |
| 05/05/1981 | CA1100275A1 Wall covering and method of making the same |
| 04/29/1981 | EP0027668A1 Packing laminate provided with crease lines |
| 04/22/1981 | EP0027128A1 Impact resistant composite structure |
| 04/21/1981 | US4263356 Auto ceiling panel |
| 04/14/1981 | US4262050 Skin packaging substrate |
| 04/14/1981 | US4262047 Fiberglass utility pole crossarm |
| 04/14/1981 | US4262045 Cellular air bag insulation and insulator |
| 04/07/1981 | US4260442 Method for making an improved variable flute container |
| 04/07/1981 | CA1098771A1 Backing for semipermeable membrane |
| 03/31/1981 | US4259385 Rubber-based foamable adhesive |
| 03/31/1981 | US4259092 Multilayer corrugated board of active carbon fibers |
| 03/24/1981 | US4257998 For jet engine; heat curing |
| 03/17/1981 | US4256790 Panels, sewing, adhesives, cured resin |
| 03/11/1981 | EP0024817A1 Single facer for corrugated board |
| 03/11/1981 | EP0024658A1 Insulating pane of synthetic glass |
| 03/10/1981 | US4255364 Large mirror replication process |
| 03/10/1981 | CA1097153A1 Floor or wall coverings |
| 03/03/1981 | US4254171 Method of manufacture of honeycomb noise attenuation structure and the resulting structure produced thereby |
| 03/03/1981 | US4253992 Ceramic honeycomb composite structure, catalyst supported thereby and method of producing the same |
| 03/03/1981 | US4253895 Applying vacuum for lateral compression of glass |
| 02/25/1981 | EP0024137A1 Single facer for corrugated board |
| 02/24/1981 | US4252850 Polyethylene |
| 02/24/1981 | CA1096188A1 Flexible coupling |
| 02/19/1981 | WO1981000368A1 Backup material and method for drilling |
| 02/18/1981 | EP0023915A1 Composite structural system and method and applications to pallets and platforms |
| 02/17/1981 | US4250612 Method for working the end of a synthetic resin molding having laminated thereon a metal foil |
| 02/10/1981 | US4250220 Amount of binder decreases from interface to the center; high density of aluminum hydroxide particles |
| 02/10/1981 | US4249983 Method and apparatus for production of laminated and shaped trim panel of corrugated paperboard base |
| 02/10/1981 | US4249976 Thermoplastic adhesive, thermosetting laminae, curing, compression, post curing |
| 02/10/1981 | CA1095558A1 Auto ceiling panel and its manufacturing process |
| 02/03/1981 | US4248651 By heating portions and pressing to crush ribs |
| 02/03/1981 | CA1094938A1 Decorative burn resistant surface covering |
| 01/28/1981 | EP0022849A1 Method and apparatus for manufacturing a plastics solar panel structure. |