Inventor · disambiguated record
Karl P. Schaefer
Also filed as: SCHAEFER KARL P
13 granted patents·233 citations·filing 1983–2001
93Inventor score
Top patents by PatentIndex Score
13 records- 0193US6572097B2Apparatus for slowing down and guiding a signature and method for doing the sameQUAD TECH·Filed 2001·Granted Jun 3, 2003·46 cites·24 claims
- 0286US6394445B1Apparatus for slowing down and guiding a signature and method for doing the sameQUAD TECH·Filed 1998·Granted May 28, 2002·37 cites·11 claims
- 0378US6231044B1Delivery apparatus for a printing pressQUAD TECH·Filed 1999·Granted May 15, 2001·24 cites·28 claims
- 0477US6464218B2Delivery apparatus for a printing pressQUAD TECH·Filed 2001·Granted Oct 15, 2002·13 cites·20 claims
- 0576US6572098B2Sheet diverter for collating signatures and a method thereofQUAD TECH·Filed 2001·Granted Jun 3, 2003·13 cites·21 claims
- 0676US6302392B1Sheet diverter for collating signatures and a method thereofQUAD TECH·Filed 1998·Granted Oct 16, 2001·21 cites·11 claims
- 0773US6254093B1Sheet diverter wedge including air discharge portsQUAD TECH·Filed 2000·Granted Jul 3, 2001·11 cites·11 claims
- 0871US6116595ASheet diverter wedge including air discharge portsQUAD GRAPHICS INC·Filed 1998·Granted Sep 12, 2000·17 cites·13 claims
- 0962US6244593B1Sheet diverter with non-uniform drive for signature collation and method thereofQUAD TECH·Filed 1999·Granted Jun 12, 2001·14 cites·21 claims
- 1061US4500223ACarrier for hinged support of pagesBRADY CO W H·Filed 1983·Granted Feb 19, 1985·17 cites·6 claims
- 1157US6419219B2Signature delivery apparatus including two rotating bucketsQUAD TECH·Filed 2001·Granted Jul 16, 2002·4 cites·22 claims
- 1256US6131903ASignature stripping mechanismQUAD TECH·Filed 1999·Granted Oct 17, 2000·11 cites·20 claims
- 1342US6247692B1Signature delivery apparatus including two rotating bucketsQUAD TECH·Filed 1999·Granted Jun 19, 2001·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →