Inventor

Christopher D. Langhart

Inventor
New Hope, PA, US

Overview

5→
Patents
1986–2017
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A23Bprimary
A23BPreservation of foods, foodstuffs or non-alcoholic beverages22%
A01MCatching, trapping or scaring of animals11%
A61LMethods or apparatus for sterilising materials or objects in general11%
B28DWorking stone or stone-like materials11%
E04HBuildings or like structures for particular purposes11%
F21VFunctional features or details of lighting devices or systems thereof11%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to LANGHART CHRISTOPHER D (1)· patent assignee history
1986–2017Based in New Hope, PA, US· patent location history
2002Patents assigned to WESTERN IND INC (1)· patent assignee history
2014Patents assigned to LANGHART CHRISTOPHER DALE (1)· patent assignee history
2017Patents assigned to LANGHART CHRISTOPHER (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LANGHART CHRISTOPHERself12017
LANGHART CHRISTOPHER Dself11986
LANGHART CHRISTOPHER DALEself12014
WESTERN IND INC12002
Locations
LocationPatentsSpan
New Hope, Pennsylvania, US51986–2017