Inventor · disambiguated record
Alfred Hengst
Also filed as: HENGST ALFRED
20 granted patents·199 citations·filing 1975–2008
95Inventor score
Top patents by PatentIndex Score
20 records- 0188US7330310B2Focusing device with diopter adjustmentLEICA CAMERA AG·Filed 2005·Granted Feb 12, 2008·29 cites·9 claims
- 0283US4329013ABinocular telescope with internal focusingLEITZ ERNST GMBH·Filed 1980·Granted May 11, 1982·43 cites·9 claims
- 0373USD292412SBinocularLEITZ ERNST GMBH·Filed 1984·Granted Oct 20, 1987·12 cites·1 claims
- 0473USD272362SBinocularLEITZ ERNST GMBH·Filed 1981·Granted Jan 24, 1984·11 cites·1 claims
- 0569USD287369SBinocularLEITZ ERNST GMBH·Filed 1984·Granted Dec 23, 1986·10 cites·1 claims
- 0668US4087153ABinoculars with double hinge bridge and resilient biasingLEITZ ERNST GMBH·Filed 1975·Granted May 2, 1978·22 cites·10 claims
- 0762US8325415B2Binocular telescopeHENGST ALFRED·Filed 2008·Granted Dec 4, 2012·4 cites·15 claims
- 0858USD272361SBinocularLEITZ ERNST GMBH·Filed 1981·Granted Jan 24, 1984·6 cites·1 claims
- 0953US7133200B2Method and device for focusing and diopter compensation of a telescopeLEICA CAMERA AG·Filed 2002·Granted Nov 7, 2006·5 cites·10 claims
- 1052US7050226B2Play-free rotary mountingLEICA CAMERA AG·Filed 2003·Granted May 23, 2006·5 cites·19 claims
- 1152US4183075AIllumination system for photographic enlargersLEITZ ERNST GMBH·Filed 1978·Granted Jan 8, 1980·3 cites·11 claims
- 1250US4989963ABinocular telescope with coupled joint focusing and uncoupled separate focusingLEICA GMBH·Filed 1989·Granted Feb 5, 1991·15 cites·13 claims
- 1347US6779899B2Arrangement for rotatable adjustment of a cap on an eyepiece housingLEICA CAMERA AG·Filed 2002·Granted Aug 24, 2004·3 cites·30 claims
- 1446US4998357ABinocular telescopr with radially acting compensating springLEICA GMBH·Filed 1989·Granted Mar 12, 1991·13 cites·5 claims
- 1540US5453875AMonocular telescope having a focusing unit whose mechanical sensitivity can be variedLEICA CAMERA GMBH·Filed 1993·Granted Sep 26, 1995·10 cites·10 claims
- 1638US6918672B2Arrangement for rotatable adjustment of a cap on an eyepiece housingLEICA CAMERA AG·Filed 2004·Granted Jul 19, 2005·0 cites·34 claims
- 1738USD332107SPair of binocularsLEICA CAMERA GMBH·Filed 1990·Granted Dec 29, 1992·3 cites·1 claims
- 1835USD332106SPair of binocularsLEICA CAMERA GMBH·Filed 1990·Granted Dec 29, 1992·2 cites·1 claims
- 1930USD384965SCamera housingLEICA CAMERA GMBH·Filed 1996·Granted Oct 14, 1997·0 cites·1 claims
- 2024US5630254ASuspension lug and locking element for a carrying strapLEICA CAMERA GMBH·Filed 1995·Granted May 20, 1997·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →