Filings by year

Y10T 74/18504: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197900
198000
198100
198200
198300
198400
198500
198600
198710

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents

No patent in this class has been cited by a later US patent yet.