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Class Information
Number: 264/441
Name: Plastic and nonmetallic article shaping or treating: processes > Direct application of electrical or wave energy to work (e.g., electromagnetic wave, particulate, magnetic, induction heat, sonic, electrostatic energy, etc.) > Conveying or aligning particulate material > Utilizing electrostatic charge > Simultaneously with molding > Producing filament
Description: Processes wherein a fine threadlike body or structure whose width and thickness are of the same order of magnitude is formed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600990 |
Electrostatic spinning apparatus |
Oct. 13, 2009 |
| 7517479 |
Method of utilizing MEMS based devices to produce electrospun fibers for commercial, industrial and medical use |
Apr. 14, 2009 |
| 7276271 |
Polymer fiber tubular structure having kinking resistance |
Oct. 2, 2007 |
| 5935303 |
Electrostatic filter |
Aug. 10, 1999 |
| 5840240 |
Method of making a silicone composite vascular graft |
Nov. 24, 1998 |
| 5707580 |
Flash-spinning process |
Jan. 13, 1998 |
| 5643524 |
Corona charging of flash spun plexifilamentary film-fibril webs in poor charging environments |
Jul. 1, 1997 |
| 5568652 |
Rapid setting compositions and method of making and using same |
Oct. 22, 1996 |
| 5558830 |
Wand purging for electrostatic charging system in flash spinning process |
Sep. 24, 1996 |
| 5311884 |
Process for making a piezoelectric biomedical device |
May. 17, 1994 |
| 5296172 |
Electrostatic field enhancing process and apparatus for improved web pinning |
Mar. 22, 1994 |
| 5230800 |
Scrim inserted electrostatic fibrous filter web |
Jul. 27, 1993 |
| 5227172 |
Charged collector apparatus for the production of meltblown electrets |
Jul. 13, 1993 |
| 5143767 |
Processes for preparing electret filters |
Sep. 1, 1992 |
| 5122048 |
Charging apparatus for meltblown webs |
Jun. 16, 1992 |
| 5064577 |
Method of spinning optical fibers |
Nov. 12, 1991 |
| 5059107 |
Apparatus for producing annular fiber aggregate |
Oct. 22, 1991 |
| 5051159 |
Non-woven fiber sheet and process and apparatus for its production |
Sep. 24, 1991 |
| 5045248 |
Process for making a non-woven sheet |
Sep. 3, 1991 |
| 5024789 |
Method and apparatus for manufacturing electrostatically spun structure |
Jun. 18, 1991 |
| 4968238 |
Apparatus for making a non-woven sheet |
Nov. 6, 1990 |
| 4904174 |
Apparatus for electrically charging meltblown webs (B-001) |
Feb. 27, 1990 |
| 4842505 |
Apparatus for producing fibrous structures electrostatically |
Jun. 27, 1989 |
| 4810319 |
Method of making a monofilament having on the surface embedded filamentons material |
Mar. 7, 1989 |
| 4810180 |
Apparatus for the electrostatic treatment of monofilaments |
Mar. 7, 1989 |
| 4798607 |
Process of crosslinking a polyurethane prosthesis with a haloalkylisocyante |
Jan. 17, 1989 |
| 4752202 |
Apparatus for producing oriented fiber aggregate |
Jun. 21, 1988 |
| 4689186 |
Production of electrostatically spun products |
Aug. 25, 1987 |
| 4608212 |
Method for the electrostatic treatment of monofilaments |
Aug. 26, 1986 |
| 4552707 |
Synthetic vascular grafts, and methods of manufacturing such grafts |
Nov. 12, 1985 |
| 4537733 |
Nonwoven fiber-sheet process |
Aug. 27, 1985 |
| 4524036 |
Process for the manufacture of polyurethane resin for electrostatic spinning |
Jun. 18, 1985 |
| 4352650 |
Nozzle for flash-extrusion apparatus |
Oct. 5, 1982 |
| 4345414 |
Shaping process |
Aug. 24, 1982 |
| 4325795 |
Process for forming ambient temperature superconducting filaments |
Apr. 20, 1982 |
| 4323525 |
Electrostatic spinning of tubular products |
Apr. 6, 1982 |
| 4287139 |
Device for forming a nonwoven product from a fluid dielectric substance and process |
Sep. 1, 1981 |
| 4274855 |
Method and apparatus for forming and treating kinky fibers from glass |
Jun. 23, 1981 |
| 4266918 |
Apparatus for electrostatic fibre spinning from polymeric fluids |
May. 12, 1981 |
| 4230650 |
Process for the manufacture of a plurality of filaments |
Oct. 28, 1980 |
| 4223101 |
Method of producing fibrous structure |
Sep. 16, 1980 |
| 4215682 |
Melt-blown fibrous electrets |
Aug. 5, 1980 |
| 4148595 |
Coating for aerodynamic shield in apparatus for making non-woven web |
Apr. 10, 1979 |
| 4143196 |
Fibre fleece of electrostatically spun fibres and methods of making same |
Mar. 6, 1979 |
| 4127706 |
Porous fluoropolymeric fibrous sheet and method of manufacture |
Nov. 28, 1978 |
| 4069026 |
Filter made of electrostatically spun fibres |
Jan. 17, 1978 |
| 4043331 |
Fibrillar product of electrostatically spun organic material |
Aug. 23, 1977 |
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