Inventor · disambiguated record
Alfred G. Perkins
Also filed as: PERKINS ALFRED G
6 granted patents·79 citations·filing 1976–1996
83Inventor score
Top patents by PatentIndex Score
6 records- 0175US5246641AMethod for lining a pipe with a cement mortarMAINLINING SERVICE INC·Filed 1991·Granted Sep 21, 1993·31 cites·10 claims
- 0252US5779948AMethod of lining a pipeline using a constant extrusion pressureFiled 1996·Granted Jul 14, 1998·14 cites·12 claims
- 0346US5443377AIncreased efficiency apparatus for lining a pipe with a cement mortarMAINLINING SERVICE INC·Filed 1993·Granted Aug 22, 1995·11 cites·5 claims
- 0445US5650103AIncreased efficiency method for lining a pipe with a cement mortarMAINLINING SERVICE INC·Filed 1995·Granted Jul 22, 1997·13 cites·7 claims
- 0533US4184830ATrowel for pipe lining materialPERKINS ALFRED G·Filed 1978·Granted Jan 22, 1980·4 cites·3 claims
- 0631US4067680ATrowel for pipe lining materialPERKINS ALFRED G·Filed 1976·Granted Jan 10, 1978·6 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →