Search found 4 matches

by liuxia0510
Fri Mar 11, 2016 2:48 pm
Forum: PATSTAT Product Line
Topic: Question about search for IPC_class_symbol
Replies: 2
Views: 1343

Re: Question about search for IPC_class_symbol

very useful, thanks a lot!
by liuxia0510
Fri Mar 11, 2016 12:23 am
Forum: PATSTAT Product Line
Topic: Question about search for IPC_class_symbol
Replies: 2
Views: 1343

Question about search for IPC_class_symbol

I want to download the database based on the IPC classification of green patents, listed by OECD green patents report, for example select xx from xx where pc_class_symbol like ' B60L7/10'. how should I type the space ?
many thanks
by liuxia0510
Tue Jun 16, 2015 9:05 pm
Forum: PATSTAT Product Line
Topic: question about join on multiple column
Replies: 1
Views: 868

question about join on multiple column

I have a set of specific patent, for example, appln_id= 16429394, I expect to set up another set of samples, which have the same filing year and ipc 4-digit classification with this patent. The code works well at my local computer, but can't work on patstat online database. Is there anything I can d...
by liuxia0510
Tue Jun 09, 2015 10:37 am
Forum: PATSTAT Product Line
Topic: Unavailability of PATSTAT Online May 26th - June 8th 2015
Replies: 4
Views: 1967

Re: Unavailability of PATSTAT Online May 26th - June 8th 201

it is June 9th already, still not available, some other problems? thanks