Inventor
GELLERT JOBST U
CA136 patents
⚠️ This page may combine multiple inventors who share the name “GELLERT JOBST U”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GELLERT JOBST U
33 patentsUS5299928AApr 5, 1994
Two-piece injection molding nozzle seal
GELLERT JOBST U126 citations98
US5334008AAug 2, 1994
Injection molding nozzle insert with valve member locating blades
GELLERT JOBST U64 citations96
US5268184ADec 7, 1993
Injection molding nozzle with removable forward member
GELLERT JOBST U89 citations96
US5238378AAug 24, 1993
Coinjection molding apparatus having rotary axial actuating mechanism
GELLERT JOBST U78 citations96
US5223275AJun 29, 1993
Multi-cavity injection moulding system
GELLERT JOBST U95 citations96
US5135377AAug 4, 1992
Injection molding nozzle for an injection molding system
GELLERT JOBST U59 citations96
US5106291AApr 21, 1992
Injection molding apparatus with heated valve member
GELLERT JOBST U78 citations96
US5094603AMar 10, 1992
Thermal valve gated injection molding apparatus with melt distribution plate
GELLERT JOBST U61 citations96
US5051086ASep 24, 1991
Insulated injection molding nozzle
GELLERT JOBST U77 citations96
US5049062ASep 17, 1991
Injection molding system having spring biased nozzles
GELLERT JOBST U61 citations96
US4945630AAug 7, 1990
Method of making a selected size injection molding nozzle
GELLERT JOBST U68 citations96
US4911636AMar 27, 1990
Injection molding nozzle having nose portion with heating element encircling the bore
GELLERT JOBST U74 citations96
US4771164ASep 13, 1988
Injection molding nozzle and method
GELLERT JOBST U73 citations96
US4768283ASep 6, 1988
Coated injection molding nozzle and method
GELLERT JOBST U105 citations96
US4761343AAug 2, 1988
Injection molding manifold system having balanced bridging manifold
GELLERT JOBST U66 citations96
US4688622AAug 25, 1987
Injection molding manifold member and method of manufacture
GELLERT JOBST U61 citations96
US4663811AMay 12, 1987
Manufacturing method for selected gate configuration injection molding nozzles
GELLERT JOBST U65 citations96
US4648546AMar 10, 1987
Composite plate method of manufacturing injection molding manifold
GELLERT JOBST U83 citations96
US4557685ADec 10, 1985
Heated nozzle for injection molding apparatus
GELLERT JOBST U104 citations96
US4521179AJun 4, 1985
Injection molding core ring gate system
GELLERT JOBST U87 citations96
US4468191AAug 28, 1984
Hydraulically actuated injection molding system with alternate hydraulic connections
GELLERT JOBST U54 citations96
US4403405ASep 13, 1983
Sprue bushing connector assembly method
GELLERT JOBST U62 citations96
US4344750AAug 17, 1982
Edge gated injection molding system with hollow seals
GELLERT JOBST U82 citations96
US4330258AMay 18, 1982
Injection molding mechanical double acting valve pin actuator
GELLERT JOBST U72 citations96
US4303382ADec 1, 1981
Melt spinning nozzle tip
GELLERT JOBST U57 citations96
US4286941ASep 1, 1981
Injection molding nozzle seal
GELLERT JOBST U84 citations96
US4279588AJul 21, 1981
Hot tip seal
GELLERT JOBST U89 citations96
US4238671ADec 9, 1980
Sprue bushing with cast in heater element
GELLERT JOBST U58 citations96
US4212626AJul 15, 1980
Stack injection molding melt transfer system
GELLERT JOBST U65 citations96
US4212627AJul 15, 1980
Injection molding valve pin actuator mechanism
GELLERT JOBST U74 citations96
US5366369ANov 22, 1994
Injection molding insert having an aligned pin and melt inlet
GELLERT JOBST U35 citations93
US5326251AJul 5, 1994
Heated injection molding nozzle with alternate thermocouple bores
GELLERT JOBST U43 citations93
US5318434AJun 7, 1994
Injection molding torpedo providing a fixed ring gate
GELLERT JOBST U20 citations93
(unassigned)
10 patentsUS5599567AFeb 4, 1997
Cooled thread split inserts for injection molding preforms
80 citations96
US5443381AAug 22, 1995
Injection molding one-piece insert having cooling chamber with radial rib portions
91 citations96
US5421716AJun 6, 1995
Injection molding nozzle with two removable inserts
80 citations96
US5387099AFeb 7, 1995
Injection molding valve member sealing bushing with a thin collar portion
57 citations96
US5614233AMar 25, 1997
Injection molding nozzle with pressed in heating element and integral collar portion
43 citations93
US5536165AJul 16, 1996
Injection molding apparatus with nozzle advanceable to mount side gate seals
28 citations93
US5494433AFeb 27, 1996
Injection molding hot tip side gate seal having a circumferential rim
55 citations93
US5460510AOct 24, 1995
Valve gated stack injection molding apparatus
37 citations93
US5429491AJul 4, 1995
Injection molding nozzle with removable collar portion
28 citations93
US5427519AJun 27, 1995
Injection molding nozzle with helical cooling conduit
33 citations93
MOLD MASTERS LTD
7 patentsUS6394784B1May 28, 2002
Compact cartridge hot runner nozzle
MOLD MASTERS LTD52 citations96
US4917594AApr 17, 1990
Injection molding system with gas flow through valve gate
MOLD MASTERS LTD73 citations96
US4810184AMar 7, 1989
Injection molding system having manifold with side mounted nozzles
MOLD MASTERS LTD72 citations96
US4768945ASep 6, 1988
Injection molding nozzle having grounded heating element brazed into pointed tip
MOLD MASTERS LTD64 citations96
US4793795ADec 27, 1988
Injection molding system having clamped rotatable nozzles and method
MOLD MASTERS LTD58 citations94
US6655945B1Dec 2, 2003
Apparatus and method for multi-layer injection molding
MOLD MASTERS LTD20 citations93
US6648622B1Nov 18, 2003
Apparatus and method for multi-layer injection molding
MOLD MASTERS LTD27 citations93
Showing the top 50 of 136 patents by PatentIndex Score.