Patent assignee · US · COMPANY

Draper, Inc.

59Patents
36Active
59Granted
49Portfolio score

Filing activity: Nov 22, 1982 → Sep 10, 2021 · 10 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6111694A Casing for projection screen system Physics 41 Expired
US6379012B1 Overhead projector mount system Physics 36 Expired
US6873461B1 Case for roller-operated screen system Emerging Cross-Sectional Technologies 32 Expired
USD634573S1 Roller clutch housing General 29 Expired
US6532109B1 Roller operated system with mounting assembly for multi-stage installation Physics 27 Expired
USD810962S1 Trim module General 26 Active
US6785047B1 Tensioned projection screen apparatus Physics 22 Expired
US6981350B1 Projection screen apparatus Physics 21 Expired
US10309153B2 Support system for rolled material Fixed Constructions 19 Active
US6421175B1 Projection screen system Physics 17 Expired
US6637711B2 Projector lift Performing Operations; Transporting 16 Expired
US7631848B2 Projector lift Mechanical Engineering; Lighting; Heating 14 Active
US8024881B2 Lock for frame Emerging Cross-Sectional Technologies 14 Active
US6816308B1 Screen system Physics 12 Expired
US7936505B2 Tensioned projection screen Emerging Cross-Sectional Technologies 11 Active
US7113332B1 Tensioned projection screen apparatus Physics 11 Expired
US5133196A Circular weft knitting machine Textiles; Paper 11 Expired
US7369310B1 Tensioned projection screen Emerging Cross-Sectional Technologies 8 Active
US9110362B2 Tensioned projection screen assembly Emerging Cross-Sectional Technologies 8 Active
US7559707B2 Screen system Physics 7 Active
US7808702B1 Tensioned projection screen apparatus Emerging Cross-Sectional Technologies 7 Active
US11314159B2 Projection screen system and method for mounting the same Mechanical Engineering; Lighting; Heating 6 Active
US11183087B1 Support system for modular display system Electricity 6 Active
US8810909B2 Tensioned projection screen apparatus Emerging Cross-Sectional Technologies 6 Active
US8358464B1 Tensioned projection screen apparatus Emerging Cross-Sectional Technologies 6 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.