Inventor · disambiguated record
Jan E. Sandgren
Also filed as: SANDGREN JAN · SANDGREN JAN E · SANDGREN JAN ERIK
6 granted patents·152 citations·filing 1975–1998
85Inventor score
Top patents by PatentIndex Score
6 records- 0184US5370401AAntirotational and axial force component in a pusher seal assembly and tool for wear installationSEALOL·Filed 1994·Granted Dec 6, 1994·59 cites·20 claims
- 0270US5344161ASpring for centering two annular bodies relative to each otherSEALOL·Filed 1993·Granted Sep 6, 1994·27 cites·2 claims
- 0362US3987533AMethod and apparatus for manufacturing slide fastener stringer with improved fastening element countTEXTRON INC·Filed 1975·Granted Oct 26, 1976·20 cites·22 claims
- 0449US5042824ABalanced shrink fit seal ring assemblySEALOL·Filed 1990·Granted Aug 27, 1991·19 cites·13 claims
- 0543US5967525ADrive mechanism for a rotating mechanical split seal and method of assembly thereofJOHN CRANE SEALOL INC·Filed 1998·Granted Oct 19, 1999·14 cites·5 claims
- 0642US5538257ASpring device and method for holding a component on a shaft and pusher seal assembly using sameSEALOL·Filed 1994·Granted Jul 23, 1996·13 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →