H01B 7/28

Protection against damage caused by moisture, corrosion, chemical attack or weather

Official title: {Protection against damage caused} by moisture, corrosion, chemical attack or weather

H01B7/28 (Protection against damage caused by moisture, corrosion, chemical attack or weather) appears on 1,019 US grants and 931 published applications in this corpus.

Search patents in H01B
Granted patents
1,019
Published applications
931
Assignees
481
Inventors
2,139
Latest grant
6 Oct 2026

Filings by year

H01B 7/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976100
1977110
1978130
197960
1980120
1981110
1982180
1983150
1984140
1985150
1986140
1987170
1988140
1989180
199080
1991110
1992110
1993160
1994190
1995190
199690
199760
1998120
1999130
2000100
2001217
20021312
20031114
2004813
20051010
200676
2007714
2008516
2009711
20101517
2011622
20121226
20131032
20141734
20153065
20163767
20175569
20186174
20195964
20206666
20214356
20225455
20234051
20244356
20253341
20262733

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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