146950 ⎘
Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by the geometry of the thread, the thread being a ridge wrapped around the shaft of the screw the screw having distinct axial zones, e.g. multiple axial thread sections with different pitch or thread cross-sections
Sub-classes:VERSATILE FASTENER
#2FASTENER FOR PREVENTING FREE SPINNING ACTION DURING THE FASTENING PROCESS
#3SCREW ANCHORS AND MANUFACTURING METHODS
#4SCREW FASTENERS
#5Fastener With Polygonal Counterbore Cutters
#6ROOFING FASTENER
#7CONCRETE FASTENER
#8SCREW, USE, METHOD AND SYSTEM
#9Structural screw
#10Fastener
#11Thread Rolling Screw Molten Through Friction
#12Anti-pullout and low-resistance screw
#13Screw with tapered screw-head, use of a screw and a method for countersinking the screw
#14Fast chip removal reaming screw
#15Fastener for attaching structures to a tree
#16Thread forming and thread locking fastener
#17Fastening component, assembly method and assembly device
#18Blunt tip bone screw
#19Screw with hole-enlarging portion
#20Self-tapping screw
#21Thread forming and thread locking fastener
#22Quick fastening screw
#23Steel stud anchor
#24Screw with two set of ribs in a knurled region and use thereof
#25SCREW STRUCTURE
#26SCREW
#27Wood screw
#28Fastener for preventing free spinning action during the fastening process
#29Faceted lobular threads
#30Threaded fastener
#31Self-tapping screw
#32SCREW-TYPE FASTENER FOR CEMENT BOARD
#33Low energy screws for wood and similar materials
#34Screw with irregular knurling pattern
#35High strength screw
#36Self-drilling screw
#37Anti-burr threaded fastener
#38Plug screw
#39QUICK DRILLING SCREW
#40SCREW ANCHORS AND MANUFACTURING METHODS
#41Drill point fastener
#42Screw
#43ORTHOPEDIC FASTENER
#44Thread-forming screw
#45Method for tightening a thread joint
#46Orthopedic fastener
#47Countersinking screw capable of easily drilling holes and dregs removing
#48STRUCTURE OF SELF-DRILLING SCREW
#49Dual-threaded screw structure
#50Low energy screws for wood and similar materials
#51Weldless building structures
#52Drill point fastener
#53Screw type fastener
#54Screw, fastening arrangement, use of a fastening arrangement, and method for producing a screw
#55Self-drilling, self-cleaning panel fastener
#56Method of installing a steel stud anchor
#57Screw-type fastener
#58Metacarpal bone stabilization device
#59Weldless building structures
#60Low energy screws for wood and similar materials
#61SCREW
#62Threaded fastening element
#63Building block structure
#64Self-drilling, self-cleaning panel fastener
#65Orthopedic fastener
#66Wood decking screw
#67Orthopedic fastener
#68Orthopedic fastener
#69Wood screw
#70Flow drill screw
#71Method of installing fastener to secure metal panel to wood structural element
#72Composite wall system
#73Variable thread fastener
#74Fastener
#75Screw
#76Screw
#77Variable thread knurl fastener
#78Bolt retention apparatus and method
#79Method of installing a fastener to secure a metal panel to a wood structure
#80Weldless building structures
#81Self-tapping screw
#82Metacarpal bone stabilization device
#83Fastener with drill pilot and reversed threaded regions
#84Weldless building structures
#85CONCRETE SCREW STRUCTURE
#86Screw
#87DRILLING SCRWE WITH COMPOUND THREADS
#88Fastener
#89Screw
#90FASTENER
#91Method of installing a fastener to secure metal panel to wood element
#92SCREW STRUCTURE
#93Plug finishing system and tool therefor
#94DRILLING FASTENER
#95Thread-furrowing screw
#96Self-drilling screw and fabricating method for the same
#97Bolt retention apparatus and method
#98WOOD FASTENER
#99Weldless building structures
#100Low energy screws for wood and similar materials
#101Standard and track shelving systems
#102Wall mountable holder system
#103Composite joist floor system
#104Self-drilling fastener
#105Composite wall system
#106SCREW
#107SELF-DRILLING SCREW
#108Three piece garage hook
#109Hole-forming and thread-forming screw
#110Screw for composite/plastic materials
#111FASTENER WITH MULTIPLE THREADED SECTIONS
#112Bimate screw
#113Screw for fastening wooden materials
#114Screw Anchor
#115Standard and track shelving systems
#116Non-dimpling fastener
#117Deck screw
#118Screw
#119HIGH SCREWING SCREW
#120SCREW
#121Variably threaded screw
#122Plug finishing system and tool therefor
#123Screw
#124Fastener with stepped head for composite decking
#125Screw
#126SCREW FOR PLASTIC ARTICLES
#127Screw with a drilling tail
#128Expanding screw
#129Screw with two threads having different orientations
#130Chiplessly thread-forming screw
#131Threaded fastener for use with composite materials
#132Self-penetrating screw
#133Power tap structure
#134Wood and Plastic Screw
#135Screw for composite building materials
#136Tapping screw
#137Screw
#138Plastic composite deck screw
#139Fastener for securing first and second components together and method of using same
#140SCREW MEMBER HAVING TWO DIFFERENT THREAD ANGLES FORMED ON A SHARP-EDGED THREAD
#141Screw with expansion rings
#142Deck screw and installation method for composite lumber
#143Dual threaded screw for composite materials
#144Screw with two types of threads
#145Screw for composite board
#146Variably threaded screw
#147Timber fastener and method of manufacturing and employing the same
#148Screw with two types of threads
#149Screw
#150Screw
#151Three piece garage hook
#152Drywall fastener
#153Screw
#154Thread-forming screw fastener