ClassID:

52750

B29D11/00221 - CPC Classification

Classification description:

Producing optical elements, e.g. lenses or prisms; Production of simple or compound lenses; Production of contact lenses; Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere; Demoulding, e.g. separating lenses from mould halves using prying means

Recent Application in this class:
#1
20230176251
2023-06-08

OPHTHALMIC LENSES AND THEIR MANUFACTURE BY IN-MOLD MODIFICATION

#2
20220324187
2022-10-13

Embedded hydrogel contact lenses

#3
20220305747
2022-09-29

Method for making embedded hydrogel contact lenses

#4
20210252812
2021-08-19

Machine and method for disassembling a lens mold assembly

#5
20190217561
2019-07-18

Contact lens manufacturing method

#6
20190126515
2019-05-02

Method and apparatus for releasing molded article from mold

#7
20180104920
2018-04-19

Method for producing contact lenses

#8
20170341276
2017-11-30

Casting cup assembly for forming an ophthalmic device

#9
20170341275
2017-11-30

Casting cup assembly for forming an ophthalmic device

#10
20140226123
2014-08-14

Casting cup assembly for forming an ophthalmic device

#11
20120001353
2012-01-05

Method and apparatus for the dry release of a compliant ophthalmic article from a mold surface

#12
20110089584
2011-04-21

Demolding of ophthalmic lenses during the manufacture thereof

#13
20090302488
2009-12-10

Method and apparatus for the dry release of a compliant ophthalmic article from mold surface

#14
20080073804
2008-03-27

Method for producing contact lenses

#15
20070138670
2007-06-21

Method and Apparatus for the Dry Release of a Compliant Opthalmic Article from a Mold Surface

#16
20070052117
2007-03-08

Method and device for separating a cast lens from a shell mold

#17
20070035049
2007-02-15

Systems and methods for removing lenses from lens molds

#18
20060202367
2006-09-14

Multi stage ophthalmic lens demold

#19
20050212155
2005-09-29

Method for producing contact lenses