Patents
Sitemap › B65 - Conveying; Packing; Storing; Handling thin or filamentary material › B65D - Containers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers; Accessories, closures, or fittings therefor; Packaging elements; Packages › B65D 27 - Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents
Patents for B65D 27 - Envelopes or like essentially-rectangular flexible containers for postal or other purposes having no structural provision for thickness of contents (3,640)
12/1990
12/12/1990CN2067259U Reusable envelope
12/09/1990CA2018412A1 Sticking bag
11/1990
11/28/1990CN2066418U Easy opening envelope
11/13/1990US4969567 Collapsible cheese box
11/07/1990CN2065181U Pull-string type easy-to-open plastic bag
11/07/1990CN2065180U Convenient envelope for repeated use
11/07/1990CN1046689A Normalized envelope
11/06/1990US4967951 One-piece mailer
11/01/1990WO1990012740A1 Envelope with single peel-off backing sheet to facilitate printing and copying
10/1990
10/31/1990CN2064750U Easily sealing envelope with stamp
10/31/1990CN1010210B Packing laminate sheet
10/24/1990EP0393841A1 Tamper evident envelope
10/24/1990CN2064347U Continuous plastic packing bag
10/18/1990WO1990011943A1 Envelopes
10/17/1990CN2063926U Convenient envelope with letter papers
10/09/1990US4961983 Printable paper substitute based on spunbonded polypropylene fabrics
10/09/1990US4961800 Non-dusting window envelope film utilizing a waxy anti-flecking agent
10/09/1990US4961503 Tamper evident notched sealing envelope
10/03/1990EP0390462A2 Business form
10/03/1990CN2063112U Repeatedly used envelope not to be posted
10/02/1990US4960237 Self-contained insert mailer
10/02/1990CA1274866A1 Continuous business forms
09/1990
09/27/1990CA2013104A1 Business form incorporating flip window with clear film patch
08/1990
08/28/1990US4951863 Double envelope construction for facsimile handling and method
08/14/1990US4948028 Variable size envelope with single closure flap
08/14/1990CA1272747A1 Mailer including return envelope and remittance stub combined in outer envelope
08/09/1990WO1990008701A1 Variable size envelope with single closure flap
07/1990
07/25/1990EP0379368A1 Mailing envelopes
07/11/1990CN2059149U Easy open envelope
07/10/1990US4941196 Tamper evident bag
07/03/1990CA1271206A1 Continuous strip envelopes
06/1990
06/20/1990EP0373877A1 Envelope
06/20/1990EP0373748A1 Security envelope
06/13/1990EP0372363A2 Printable paper substitute based on spunbonded polypropylene fabrics
06/13/1990CA2005267A1 Envelope
06/05/1990CA2004572A1 Printable paper substitute based on spunbonded polypropylene fabrics
06/05/1990CA1269959A1 Folded envelope and blank for forming same
05/1990
05/22/1990US4927072 Mailer
05/16/1990EP0368509A2 Multiple web business form stock and mailers
05/15/1990US4925086 Response letter
05/02/1990EP0365725A1 One-piece mailer
05/02/1990CN2056663U Adhesive safety envelope
05/02/1990CN1041735A Resealable flexible container and manufacturing method therefor
04/1990
04/24/1990US4919325 Combination window envelope and insert and method of using same
04/24/1990US4919324 Envelope
04/19/1990DE3835746A1 Continuous envelope
04/18/1990EP0363399A1 Method affording an easy opening device for nonwoven thermoplastic fiber envelopes
04/17/1990US4917287 Reversible envelope
04/11/1990CN2055808U Double face utilizable envelope
04/10/1990US4915288 Envelope with single peel-off backing sheet to facilitate printing and copying
04/03/1990CA1267386A1 Sealed letter
04/03/1990CA1267385A1 Banking envelope
04/03/1990CA1267384A1 Security bag
03/1990
03/28/1990CN1040767A Postcode writing standardized envelope
03/27/1990US4911354 Business form incorporating flip window with clear film patch
03/27/1990CA1267121A2 Bags having zippers and being serially connected by guide rib equipped strips removable for separating the bags, and method of and means for filling and separating such bags
03/14/1990EP0239619B1 Protective envelope device for packaging fragile articles
03/14/1990CN1040346A Envelope with dim numerals for tracing zip code
02/1990
02/28/1990EP0355969A2 Fold- over mailer with side-open return envelope with slittable edge
02/27/1990USRE33173 Envelope with pouch and method of manufacture thereof
02/27/1990CA1266254A1 Two way envelope
02/14/1990EP0354780A2 Mailer
02/14/1990EP0354758A1 Self-contained insert mailer
02/13/1990US4899926 Two way mailer
02/07/1990EP0353513A1 A non-dusting window envelope film utilizing a particulate anti-flecking agent
02/06/1990US4898323 Mailer for laser printer
01/1990
01/31/1990EP0352553A1 A non-dusting window envelope film utilizing a waxy anti-flecking agent
01/30/1990US4896821 Envelopes
01/24/1990CN2051617U Mail-order special purpose envelope for repeated use
01/23/1990CA1264706A1 Mailing cover with reply envelope and response device from integral web
01/16/1990CA1264464A1 Document carrier envelope
01/10/1990CN2050828U Envelope being able to use repeatedly
01/02/1990US4890788 Mailing system
12/1989
12/20/1989CN2049625U Convenient envelope for sealing and opening easily
12/19/1989US4887763 Transmittal article for magnetic cards
12/14/1989EP0328523A4 Tear strip opening device.
12/12/1989US4886205 Easily feedable envelope construction
11/1989
11/15/1989EP0341699A1 Tamper indicating containers and seals
11/09/1989DE3814279A1 Method of closing envelopes
11/08/1989CN2047253U Envelope with quick-dissolvable paste for instant sealing
11/08/1989CN2047252U General-purpose plastic envelope
11/02/1989EP0339053A1 Hinged multiple coat-hanger
11/02/1989DE3812847A1 Briefkuvert Envelope
10/1989
10/31/1989US4877177 Window letter
09/1989
09/26/1989CA1261797A1 Two part mailer with return envelope
09/26/1989CA1260886A1 Document sending device
09/26/1989CA1260885A1 Re-usable mailer package
09/26/1989CA1260878A1 Protective envelope device for packaging fragile articles
09/26/1989CA1259794A1 Labels and manufacture thereof
09/20/1989CN2044581U Envelope for reapeatd use
09/19/1989US4867372 Mailing/shipping container
08/1989
08/31/1989DE3805388A1 Metallklammer zum verschliessen von versandtaschen und dergleichen Metal clip for closing shipping bags and the like
08/30/1989CN2043609U Envelope capable of using several times
08/29/1989US4860946 Invoice form with card and envelope
08/23/1989EP0328811A2 Improved return mailer assembly and related process
08/23/1989EP0328523A1 Tear strip opening device
08/23/1989CN2043223U Envelopes capable of using repeatedly
08/01/1989US4852795 Mailing cover with reply envelope and response device made from integral web
07/1989
07/26/1989EP0325033A2 Adhesive insertion pockets with guiding features
07/25/1989US4850525 Parking ticket
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